@misc{rhodin_imas_integrated_1996, 
author={Rhodin, A., Callies, U., Eppel, D. P.},
title={IMAS: Integrated Modeling and Analysis System - Release 1.0},
year={1996},
howpublished = {GKSS report},
note = {Rhodin, A.; Callies, U.; Eppel, D.: IMAS: Integrated Modeling and Analysis System - Release 1.0. GKSS 96-E-28. 1996.}}