@misc{schafstall_quality_in_1989, 
author={Schafstall, H.-G.},
title={Quality in underwater technology: an international development programme at GUSI},
year={1989},
howpublished = {conference lecture: Geesthacht (D);},
note = {Schafstall, H.: Quality in underwater technology: an international development programme at GUSI. Presentation. Geesthacht (D), 1989.}}