@misc{duehmke_fast_neutron_1988, 
author={Duehmke, E., Greim, L., Schmitz, H.-W.},
title={Fast neutron radiography (FNR) with track etch technique},
year={1988},
howpublished = {GKSS report},
note = {Duehmke, E.; Greim, L.; Schmitz, H.: Fast neutron radiography (FNR) with track etch technique. In: Barton, J.; Farny, G.; Person, J. (Ed.): Neutron Radiography: Proceedings of the Second World Conference. Paris (F). 1988. 639-646.}}