@misc{appel_the_contribution_1991, 
author={Appel, F., Messerschmidt, U.},
title={The contribution of dipole mechanisms to the flow stress and work hardening},
year={1991},
howpublished = {journal article},
note = {Appel, F.; Messerschmidt, U.: The contribution of dipole mechanisms to the flow stress and work hardening. Acta Universitatis Carolinae - Mathematica et Physica. 1991. vol. 32, 47-51.}}