@misc{niemann_development_in_1992, 
author={Niemann, H.-R.},
title={Development in underwater robotics at GKSS},
year={1992},
howpublished = {conference lecture: Campinas (BR);},
note = {Niemann, H.: Development in underwater robotics at GKSS. Kolloquium an der Universitaet Campinas. Campinas (BR), 1992.}}