@misc{dahms_a_positivity_1988, 
author={Dahms, M., Bunge, H. J.},
title={A positivity method for the determination of complete orientation distribution functions},
year={1988},
howpublished = {GKSS report},
note = {Dahms, M.; Bunge, H.: A positivity method for the determination of complete orientation distribution functions. Textures and Microstructures. 1988. vol. 10, 21-35.}}