@misc{knop_the_gkss_1998, 
author={Knop, W.,Krull, W.},
title={The GKSS CNS: The possibility of natural convection of the gaseous hydrogen moderator},
year={1998},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Knop, W.; Krull, W.: The GKSS CNS: The possibility of natural convection of the gaseous hydrogen moderator. Atomwirtschaft - Atomtechnik. 1998. no. 43/2,}}