@misc{Morland_L.W._Effective_1975, author={Morland, L.W.}, volume={27}, number={5-6}, copyright={Creative Commons Attribution BY 4.0 license}, journal={Archives of Mechanics}, address={Warszawa}, howpublished={online}, year={1975}, publisher={Polish Scientific Publishers IFTR}, language={eng}, language={pol}, language={rus}, type={Text}, title={Effective stress in mixture theory}, URL={http://rcin.org.pl/Content/138549/PDF/WA727_92908_P.262a-Morland-Effective.pdf}, keywords={Mechanika stosowana - czasopisma [KABA]}, }