@misc{werner_mathematical_aspects_1992, 
author={Werner, K.-D.},
title={Mathematical aspects of two-phase flow models},
year={1992},
howpublished = {GKSS report},
note = {Online available at: \url{} (DOI). Werner, K.: Mathematical aspects of two-phase flow models. GKSS 92-E-37. 1992.}}