[Anderson, H., Hepburn, A. (1986). Variation of humic substances within peat profile. In: Peat and Water (pp. 177-194). C. H. Fuchsman (ed.). N. Y.: Academic Press.]Search in Google Scholar
[Anonymous (2008). International Humic Substance Society. Available online at http://www.ihss.gatech.edu]Search in Google Scholar
[Alberts, J. A., Takacs, M. (2004). Total luminescence spectra of IHSS standard and reference fulvic acids, humic acids and natural organic matter: Comparison of aquatic and terrestrial source terms. Org. Geochem., 35, 243-256.10.1016/j.orggeochem.2003.11.007]Search in Google Scholar
[Artinger, R., Buckau, G., Geyer, S., Fritz, P., Wolf, M., Kim, J. I. (2000). Characterization of groundwater humic substances: Influence of sedimentary organic carbon. Appl. Geochem., 15, 97-11610.1016/S0883-2927(99)00021-9]Search in Google Scholar
[Chen, J., Gu, B., LeBouef, E. J., Pan, H., Dai, S. (2002). Spectroscopic characterization of the structural and functional properties of natural organic matter fractions. Chemosphere, 48, 59-68.10.1016/S0045-6535(02)00041-3]Search in Google Scholar
[Chen, Y., Senesi, N., Schnitzer, M. (1977). Information provided on humic substances by E4/E6 ratios. Soil Sci. Soc. Amer. J., 41(2), 352-358.10.2136/sssaj1977.03615995004100020037x]Search in Google Scholar
[Chin, Y. P., Aiken, G. R. Danielsen, M. K. (1997). Binding of pyrene to aquatic and commercial humic substances: The role of molecular weight and aromacity. Environ. Sci. Technol., 31, 1630-1635.10.1021/es960404k]Search in Google Scholar
[Clymo, R. S. (1991). Peat growth. In: Quaternary Landscapes (pp. 76-112). Shane, L. C. K., Crushing E. J. (eds.). London: Belhaver Press.]Search in Google Scholar
[Conte, P., Spaccini, R., Smejkalova, D., Nebbioso, A., Piccolo, A. (2007). Spectroscopic and conformational properties of size-fractions from a lignite humic acid. Chemosphere, 69, 1032-1039.10.1016/j.chemosphere.2007.04.043]Search in Google Scholar
[Corvasce, M., Zsolnay, A., D'Orazio, V., Lopez, R., Miano, T. M. (2006). Characterization of water extractable organic matter in a deep soil profile. Chemosphere, 62, 1583-1590.10.1016/j.chemosphere.2005.07.065]Search in Google Scholar
[Dick, D., Mangrich, A., Menezes, S., Pereira, B. (2002). Chemical and spectroscopical characterization of humic acids from two South Brazilian coals of different ranks. J. Brazil. Chem. Soc., 13(2), 177-182.10.1590/S0103-50532002000200008]Search in Google Scholar
[Falkowski, P., Scholes, R. J., Boyle, E., Canadell, J., Canfield, D., Elser, J., Gruber, N., Hibbard, K., Hogberg, P., Linder, S., Mackenzie, F. T., Moore, B., Pedersen, T., Rosenthal, Y., Tan, K. H. (2003). Humic matter in soil and the environment: Principles and Controversies. N. Y.: Marcel Dekker.]Search in Google Scholar
[Francioso, O., Ciavatta, C., Montecchio, D., Tugnoli, V., Sanchez-Cortes, S., Gessa, C. (2003). Quantitative estimation of peat, brown coal and lignite humic acids using chemical parameters, 1H-NMR and DTA analyses. Biores. Technol., 88, 189-195.10.1016/S0960-8524(03)00004-X]Search in Google Scholar
[Fong, S. S., Murtedza, M. (2007). Chemical characterization of humic substances occurring in the peats of Sarawak, Malaysia. Organ. Geochem., 38(6), 967-976.10.1016/j.orggeochem.2006.12.010]Search in Google Scholar
[Garnier-Sillam, E., Hariyento, S., Bourezgui, Y. (1999). Humic substances in peats. Analysis, 27(5), 405-408.]Search in Google Scholar
[Gondar, D., Lopez, R., Fiol, S., Antelo, J. M., Arce, F. (2005). Characterization and acid-base properties of fulvic and humic acids isolated from two horizons of fan ombrotrophic peat bog. Geoderma, 126, 367-374.10.1016/j.geoderma.2004.10.006]Search in Google Scholar
[Hänninen, K., Knuutinen, J., Mannila, P. (1993). Chemical characterization of peat fulvic acid fractions. Chemosphere, 27(5), 747-755.10.1016/0045-6535(93)90006-Q]Search in Google Scholar
[Hertkorn, N., Permin, A., Perminova, I., Kovalevskii, D., Yudov, M., Petrosyan, V., Kettrup, A. (2002). Comparative analysis of partial structures of a peat humic and fulvic acid using one-and two-dimensional nuclear magnetic resonance spectroscopy. J. Environ. Quality, 31, 375-387.10.2134/jeq2002.3750]Search in Google Scholar
[Li, L., Huang, W., Peng, P., Sheng, G., Fu, J. (2003). Chemical and molecular heterogeneity of humic acids repetitively extracted from a peat. Soil Sci. Soc. Amer. J., 67(7), 740-746.10.2136/sssaj2003.7400]Search in Google Scholar
[Lu, X. Q., Hanna, J. V., Johnson, W. D. (2000). Source indicators of humic substances: An elemental composition, solid state 13C NMR and Py-GC-MS study. Appl. Geochem., 15, 1019-1033.10.1016/S0883-2927(99)00103-1]Search in Google Scholar
[Pettersson, C., Ephraim, J., Allard, B. (1994). On the composition and properties of humic substances isolated from deep groundwater and surface waters. Organ. Geochem., 21(5), 443-451.10.1016/0146-6380(94)90096-5]Search in Google Scholar
[Qiamg, T., Xiaoquan, S., Zheming, N. (1993). Comparative characteristic studies on soil and commercial humic acids. Fresenius J. Anal. Chem., 347, 330-336.10.1007/BF00323816]Search in Google Scholar
[Reckhow, D., Singer, P., Malcolm, R. (1990). Chlorination of humic materials: Byproduct formation and chemical interpretations. Environ. Scie. Technol., 24(11), 1655-1664.10.1021/es00081a005]Search in Google Scholar
[Schumacher, M., Christl, I., Vogt, R. D., Bartmettler, K., Jacobsen, C., Kretzschmar, R. (2006). Chemical composition of aquatic dissolved organic matter in five boreal forest catchments sampled in spring and fall seasons. Biogeochemistry, 80, 263-275.10.1007/s10533-006-9022-x]Search in Google Scholar
[Senesi, N., Sakallariadou, F. (1994). Structural and functional chemical properties of marine and coastal sedimentary humic acids. Environ. Int., 20(1), 3-9.10.1016/0160-4120(94)90061-2]Search in Google Scholar
[Stevenson, F. J. (1994). Humus Chemistry: Genesis, Composition, Reactions. 2nd edn. N. Y.: Wiley. 496 pp.]Search in Google Scholar
[Thorn, K. A., Folan, D. W., MacCarthy, P. (1989). Characterization of the IHSS standard and reference fulvic and humic acids by solution state 13C NMR spectrometry. US Geological Survey. Report 89-4196. 93 pp.]Search in Google Scholar
[Uyguner, C. S., Hellriegel, C., Otto, W., Larive, C. K. (2004). Characterization of humic substances: Implications for trihalomethane formation. Anal. Bioanal. Chem., 378, 1579-1586.10.1007/s00216-003-2451-715214420]Search in Google Scholar
[Van Krevelen, D. W. (1950). Graphical-statistical method for the study of structure and reaction processes of coal. Fuel, 29, 269-284.]Search in Google Scholar
[Yamaguchi, T., Hayashi, H., Yazawa, Y., Uomori, M., Yazaki, F., Bambalov, N. N. (1998). Comparison of basic characteristics of humic acids extracted from peats and other sources. Int. Peat J., 8, 87-94.]Search in Google Scholar
[Zaccone, C., Miano, T. M., Shotyk, W. (2007). Qualitative comparison between raw peat and related humic acids in an ombrotrophic bog profile. Organ. Geochem., 38, 151-160.10.1016/j.orggeochem.2006.06.023]Search in Google Scholar
[Беляева Е. (2004). Изучение роли неэксклюзивних эффектов в гель-хроматографическом фр a кционированиигуминовых веществ [Studies on non-exclusive effects in gel chromatographic fractionation of humic substances]. Дипломная работа. МГУ, 55 с. (in Russian).]Search in Google Scholar
[Дроздова Т. В. (1959) Спектрофотометрический метод определения количества гуминовых кислот в торфах и торфяно-болотных почвах. Почвоведение, 7, 81-85 (in Russian).]Search in Google Scholar
[Кречетова Е. (1994) Сравнительная характеристика состава и свойств гуминових кислотгорючих сланцев и почв [Comparative characteriza-tion of composition and properties of soils and humic shale]. Химия почв, 2, 57-66 (in Russian).]Search in Google Scholar
[Ларина Н. К., Касаточкин В. И. (1966) Спектральные методы исследования гумусовых веществ [Spectral methods in research of humic substances]. Физико-химические методы исследования почв. Москва: Наука, c. 348-355 (in Russian).]Search in Google Scholar
[Лиштван И. И., Король Н. Т. (1975) Основные свойства торфа и методы их определения [Basic properties of peat and methods for their determination]. Минск: Наука и техника, 320 с. (in Russian).]Search in Google Scholar
[Марков В. Д., Олунин А. С., Оспенникова Л. А., Скобеева Е. И., Хорошев П. (1988) Торфяные ресурсы мира. Справочник [World peat resources] (Ред. Оленин А. С.). Москва: Недра, 383 с. (in Russian).]Search in Google Scholar
[Орлов Д. С. (1990) Гумусовые кислоты почв и общая теория гумификации [Soil humic acids and general humification theory]. Москва: Изд-во МГУ, 325 с. (in Russian).]Search in Google Scholar