@misc{niemann_a_six_1992, 
author={Niemann, H.-R., Aust, E., Gustmann, M., Hahn, G.},
title={A six DOF robot allows diverless intervention},
year={1992},
howpublished = {conference lecture: Berlin (D);},
note = {Niemann, H.; Aust, E.; Gustmann, M.; Hahn, G.: A six DOF robot allows diverless intervention. 4th EC Symposium „Oil and Gas Technology in a Wider Europe“. Berlin (D), 1992.}}