@misc{hoppe_bakterioplankton_expedition_1990, 
author={Hoppe, H.-G., Karrasch, B., Kirstein, K. O.},
title={Bakterioplankton: Expedition Plankton 89; Benthos 89 Reise Nr. 10, 19. Maerz - 31. August 1989},
year={1990},
howpublished = {journal article},
note = {Hoppe, H.; Karrasch, B.; Kirstein, K.: Bakterioplankton: Expedition Plankton 89; Benthos 89 Reise Nr. 10, 19. Maerz - 31. August 1989. Meteor - Berichte. 1990. vol. 90, no. 1, 98-107.}}