[Abolina, E., Volk, T.A., Lazdina, D. 2015. GIS based agricultural land availability assessment for the establishment of short rotation woody crops in Latvia. – Biomass and Bioenergy, 72, 263–272.]Search in Google Scholar
[Ai, J., Tschirner, U. 2010. Fiber length and pulping characteristics of switchgrass, alfalfa stems, hybrid poplar and willow biomasses. – Bioresource Technology, 101(1), 215–221.]Search in Google Scholar
[Bārdule, A., Lazdiņa, D., Bārdulis, A., Lazdiņš, A., Vīksna A. 2012. Utilization of wood ash, sewage sludge and digestate in short rotation bioenergy plantation in Latvia. – Book of Abstracts of the 17th International Conference “EcoBalt 2012”, Latvia, Riga, Oct. 18–19, 2012. 15 pp.]Search in Google Scholar
[Caslin, B., Finnan, J., McCracken, A. 2012. Willow varietal identification guide. Teagasc, Carlow, Ireland. 64 pp.]Search in Google Scholar
[Daugaviete, M., Lazdiņa, D. 2014. Sustainable management of plantation forest. (Plantāciju meži ilgtspējīgai saimniekošanai). – Agrotops, 2–4. (In Latvian).]Search in Google Scholar
[Dong, C., Zhang, Z., Lu, Q., Yang, Y. 2012. Characteristics and mechanism study of analytical fast pyrolysis of poplar wood. – Energy Conversion and Management, 57, 49–59.10.1016/j.enconman.2011.12.012]Open DOISearch in Google Scholar
[Elder, T. 2004. Non-wood products: Chemicals from Wood. Encyclopedia of Forest Sciences. USDA – LA, USA, Forest Service, Pineville, 607–612.]Search in Google Scholar
[Fengel, D., Wegener, G. 2003. Wood – chemistry, ultrastructure, reaction. Berlin, Walter de Gruyter. 613 pp.]Search in Google Scholar
[Francis, R.C., Hanna, R.B., Shin, S.-J., Brown, A.F., Riemenschneider, D.E. 2006. Papermaking characteristics of three Populus clones grown in the north-central United States. – Biomass Bioenergy, 30, 803–808.10.1016/j.biombioe.2005.08.003]Open DOISearch in Google Scholar
[Jansons, A., Zurkova, S., Lazdina, D., Zeps, M. 2014. Productivity of poplar hybrid (Populus balsamifera × P. laurifolia) in Latvia. – Agronomy Research, 12(2), 469–478.]Search in Google Scholar
[Kim, J.Y., Oh, S., Hwang, H., Kim, U.J., Choi, J.W. 2013. Structural features and thermal degradation properties of various lignin macromolecules obtained from poplar wood (Populus albaglandulosa). – Polymer Degradation and Stability, 98(9), 1671–1678.]Search in Google Scholar
[Lazdina, D. 2009. Using of waste water sewage sludge in short rotation willow coppice. Resume of PhD Thesis. Jelgava, Latvia University of Agriculture. 58 pp.]Search in Google Scholar
[Lazdina, D. 2010. Willows for production of bioenergy. – Līviņa, A. (ed.). Solutions on harmonizing sustainability and nature protection with socioeconomic stability. Vidzeme University of Applied Sciences, 95–101.]Search in Google Scholar
[Lazdiņa, D., Bārdule, A., Daugaviete, M., Liepiņš, J., Rancāne, S., Bārdulis, A., Makovskis, K., Zeps, M. 2012. First results of growth characteristics of hybrid aspen, birch and grey alder fertilized plantation on former farmland. Biological Reactions of Forests to Climate Change and Air Polution. Lithuania, Kaunas. 202 pp.]Search in Google Scholar
[Long, H., Li, X., Wang, H., Jia, J. 2013. Biomass resources and their bioenergy potential estimation: A review. – Renewable and Sustainable Energy Reviews, 26, 344–352.]Search in Google Scholar
[Moon, R.J., Martini, A., Nairn, J., Simonsen, J., Younblood, J. 2011. Cellulose nano-materials review: Structure properties and nanocomposites. – Chemical Society Reviews, 40, 3941–3994.]Search in Google Scholar
[Neimane, I., Lazdiņš, A., Plūme, I. 2011. Country policy assessment report on bioenergy. Bioenergy Promotion. A Baltic Sea Region project WP3 Policy Task 3.3. 38 pp.]Search in Google Scholar
[Pauler, N. 2012. Paper Optics. Sweden, Elanders, AB Lorenzen &Wettre. 189 pp.]Search in Google Scholar
[Pliura, A., Zhang, S.Y., MacKay, J., Bousquet, J. 2007. Genotypic variation in wood density and growth traits of poplar hybrids ar four clonal trials. – Forest Ecology and Management, 238, 92–106.]Search in Google Scholar
[Pye, E.K. 2006. Industrial Lignin Production and Applications. – Kamm, B., Gruber, P.R., Kamm, M. (eds.). Biorefineries – Industrial Processes and Products. Wiley-VCH Verlag GmbH & Co, Weinheim, 165–200.]Search in Google Scholar
[Šāble, I., Grīnfelds, U., Jansons, Ā., Vīķele, L., Irbe, I., Verovkins, A., Bāders, E., Treimanis, A. 2012a. Suitability of Scots pine (Pinus sylvestris) and lodgepole pine (Pinus contorta) wood for paper production: comparative analysis. (Parastās priedes (Pinus sylvestris) un Klinškalnu priedes (Pinus contorta) koksnes piemērotības papīra ražošanai salīdzinošā analīze). – Mezzinatne, 26(59), 155–166. (In Latvian with English summary).]Search in Google Scholar
[Šāble, I., Grīnfelds, U., Zeps, M., Irbe, I., Jansons, Ā., Treimanis, A. 2012b. Papermaking characteristics of kraft pulp from hybrid aspen clones. – Proceedings of 12th European Workshop on Lignocellulosics and Pulp, Finland, Aug. 2012. Helsinki, Espoo, University of Helsinki, 500–503.]Search in Google Scholar
[Sable, I., Grinfelds, U., Zeps, M., Irbe, I., Noldt, G., Jansons, A., Treimanis, A., Koch, G. 2013b. Chemistry and kraft pulping of seven hybrid aspen clones. Dimension measurements on the vessels and UMSP of the cell walls. – Holzforschung, 67(5), 505–510.10.1515/hf-2012-0184]Search in Google Scholar
[Sable, I., Grinfelds, U., Zeps, M., Treimanis, A. 2013a. Hybrid aspen wood – precious raw material for products with high added value. – Book of Abstracts of International Baltic Sea Region Scientific Conference „Interdisciplinary Research for Higher Socioecenomic Value of Forests”, Latvia, Riga, June 2013. Salaspils, LSFRI Silava, 81–82.]Search in Google Scholar
[Sannigrahi, P., Ragauskas, A.J., Tuskan, G.A. 2010. Poplar as a feedstock for biofuels: A review of compositional characteristics. – Biofuels, Bioproducts, Biorefining, 4, 209–226.]Search in Google Scholar
[Treimanis, A., Grinfelds, U., Skute, M., Gailis, A., Zeps, M. 2006. Comparative study of wood and pulp fibres obtained from natural forest and plantation aspen fibres. – Proceedings of 9th European Workshop on Lignocellulosics and Pulp, Austria, Aug. 2006. Vienna, University of Natural Resources and Life Sciences, 561–563.]Search in Google Scholar
[Tullus, A., Rytter, L., Tullus, T., Weih, M., Tullus, H. 2011. Short-rotation forestry with hybrid aspen (Populus tremula L. x P. tremuloides Michx.) in Northern Europe. – Scandinavian Journal of Forest Research, 27, 10–29.10.1080/02827581.2011.628949]Open DOISearch in Google Scholar
[Vanneste, J., Van Gerven, T., Van der Putten, E., Van der Bruggen, B., Helsen, L. 2011. Energetic valorization of wood waste: Estimation of the reduction in CO2 emissions. – Science of the Total Environment, 409(19), 3595–3602.]Search in Google Scholar
[Zeps, M., Auzenbaha, D., Gailis, A., Treimanis, A., Grīnfelds, U. 2008. Comparison and selection of clones of hybrid aspen. (Hibrīdapšu (Populus tremuloides × Populus tremula) klonu salīdzināšana un atlase). – Mezzinatne, 18(51), 19–34. (In Latvian with English summary).]Search in Google Scholar
[Zeps, M., Šāble, I., Grīnfelds, U., Jansons, Ā., Irbe, I., Treimanis, A. 2012. Variation of hybrid aspen (Populus tremuloides Michx. × Populus tremula L.) and common aspen (Populus tremula L.) wood and Kraft pulp fibres properties at age 20 years. (Apšu hibrīdu (Populus tremuloides Michx. × Populus tremula L.) un parastās apses (Populus tremula L.) koksnes un sulfātcelulozes šķiedru īpašības 20 gadu vecumā). – Mezzinatne, 26(59), 145–154. (In Latvian with English summary).]Search in Google Scholar