@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 = {GKSS report},
note = {Online available at: \url{} (DOI). Niemann, H.; Aust, E.; Gustmann, M.; Hahn, G.: A six DOF robot allows diverless intervention. GKSS 92-E-44. 1992.}}