@ARTICLE{Stankiewicz_Anna_Identification_2013, author={Stankiewicz, Anna}, number={No 1}, journal={Teka Commission of Motorization and Power Industry in Agriculture}, howpublished={online}, year={2013}, publisher={The Lublin Branch of the Polish Academy of Sciences}, title={Identification of relaxation modulus of viscoelastic materials from non-ideal ramp-test histories –problem and method}, }