@ARTICLE{Szeptyński_P._Energy-Based_2017, author={Szeptyński, P.}, volume={vol. 62}, number={No 2}, journal={Archives of Metallurgy and Materials}, howpublished={online}, year={2017}, publisher={Institute of Metallurgy and Materials Science of Polish Academy of Sciences}, publisher={Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences}, title={Energy-Based Yield Criteria for Orthotropic Materials, Exhibiting Strength-Differential Effect. Specification for Sheets under Plane Stress State}, URL={http://journals.pan.pl/Content/105001/PDF/10172-Volume62_Issue2-041_paper.pdf}, doi={10.1515/amm-2017-0110}, }