In remembrance of Professor Dr.-Ing. Helmut Schwanghart

J.Y. Wong

Journal of Terramechanics, Volume 91, 2020, Page 273, ISSN 0022-4898

https://doi.org/10.1016/j.jterra.2020.08.001. (http://www.sciencedirect.com/science/article/pii/S0022489820300616)