Lámer, G.:
On the Axioms of the Forces in the Mechanics of Rigid Bodies.
In: "Imt Oradea" - 2017: Proceedings of the Annual Seesion of Scientific Papers. Ed.: Calin Baban, Florin Sandu Blaga, Gavril Grebenisan, Alexandru-Viorel Pele, Mircea Teodor Pop, Alexandru Rus, Radu Catalin Tarca, University of Oradea Publishing House, Oradea, 71-76, 2017. ISBN: 9786061015375