[Aragón, A., García, M.G., Filgueira, R.R., Pachepsky, Ya.A. (2000). Maximum compactibility of Argentine soils from the Proctor test; The relationship with organic carbon and water content. Soil and Tillage Research, 56, 197-204.10.1016/S0167-1987(00)00144-6]Search in Google Scholar
[Barzegar, A.R., Asoodar, M. A., Ansari, M. (2000). Effectiveness of sugarcane residue incorporation at different water contents and the Proctor compaction loads in reducing soil compactibility. Soil & Tillage Research, 57, 167-172.10.1016/S0167-1987(00)00158-6]Search in Google Scholar
[Błażejczak, D. (2010). Prognozowanie naprężenia granicznego w warstwie podornej gleb ugniatanych kołami pojazdów rolniczych. Wyd. ZUT w Szczecinie. ISBN 978-83-7663-050-2.]Search in Google Scholar
[Błażejczak, D., Dawidowski, J.B. (2013). Problem wykorzystania gęstości objętościowej gleby w ocenie jej zagęszczenia. Journal of Research and Applications in Agricultural Engineering, Vol. 58(1), 17-20.]Search in Google Scholar
[Carter, M. R. (1990). Relative measures of soil bulk density to characterize compaction in tillage studies on fine sandy loams. Canadian Journal of Soil Science, 70, 425-433.10.4141/cjss90-042]Search in Google Scholar
[Dobrzański B. Zawadzki S. (red.), (1993): Gleboznawstwo. PWRiL, Warszawa, ISBN 83-09-00083-9.]Search in Google Scholar
[Gregorich, E. G., Carter, M.R. (1997). Soil quality for crop production and ecosystem health. Developments in soil science 25. Elsevier, Amsterdam, ISBN 0-444-86661-5.]Search in Google Scholar
[Hakansson, I., Lipiec, J. (2000). A revive of the usefulness of relative bulk density values in studies of soil structure and compaction. Soil and Tillage Research, 53, 71-85.10.1016/S0167-1987(99)00095-1]Search in Google Scholar
[Iancu, M. (2001). Technique for Reducing Subsoil Compaction of Pedogenetic Origin. Proceedings of the 3rd INCO Copernicus Workshop on Subsoil Compaction, Busteni-Romania, June 14-18, 2001, 437-451.]Search in Google Scholar
[Jones, R. J. A., Spoor, G., Thomasson A. J. (2003). Vulnerability of subsoil in Europe to compaction: a preliminary analysis. Soil & Tillage Research, 73, 131-143.10.1016/S0167-1987(03)00106-5]Search in Google Scholar
[Komornicki, T., Zasoński, S. (1965). Powtarzalność wyników oznaczeń niektórych właściwości fizycznych gleb. Roczniki Gleboznawcze, T. XV, z. 2. PWN Warszawa, 315-330.]Search in Google Scholar
[Krasowicz, S., Oleszek, W., Horabik, J., Dębicki, R., Jankowiak, J., Stuczyński, T., Jadczyszyn, J. (2011). Racjonalne gospodarowanie środowiskiem glebowym Polski. Polish Journal of Agronomy, 7, 43-58.]Search in Google Scholar
[Kumar D., Bansal M. L., Phogat V. K. (2009). Compactability in relation to texture and organic matter content of alluvial soils. Indian Journal of Agricultural Research,43(3), 180-186.]Search in Google Scholar
[PN-88/B-04481 (1988). Grunty budowlane. Badania próbek gruntu.]Search in Google Scholar
[Soane, B.D., Blackwell, P.S., Dickson, J.W., Painter, D.J., (1980/1981). Compaction by agricultural vehicles: a review. I. Soil and wheel characteristics. Soil & Tillage Research. 23, 207-237.10.1016/0167-1987(80)90026-4]Search in Google Scholar
[Szeptycki, A. (2003). Wpływ ciężkich maszyn rolniczych na fizykomechaniczne właściwości gleby. Journal of Research and Application in Agricultural Engineering, 48(2), 38-42.]Search in Google Scholar
[Van den Akker, J. J. H., Arvidsson, J., Horn, R. (2003). Introduction to the special issue on experiences with the impact and prevention of subsoil compaction in the European Union. Soil & Tillage Research, 73, 1-8.10.1016/S0167-1987(03)00094-1]Search in Google Scholar
[Wagner, L. E., Ambe, N. M., Ding D. (1994). Estimating a Proctor Density Curve from Intrinsic Soil Properties. Transactions of the ASAE, 37(4), 1121-1125.10.13031/2013.28185]Search in Google Scholar
[Wojtasik, M. (1995). Gęstość naturalna gleb mineralnych. WSP Bydgoszcz. ISBN 83-7096-076-6. ]Search in Google Scholar