@misc{schmidt_international_and_1988, 
author={Schmidt, K.,Szelagowski, P.},
title={International and national efforts in health and safety for underwater operations},
year={1988},
howpublished = {GKSS report},
note = {Online available at: \url{} (DOI). Schmidt, K.; Szelagowski, P.: International and national efforts in health and safety for underwater operations. GKSS 88-E-15. 1988.}}