@misc{bormann_spezielle_probleme_1990, 
author={Bormann, R.},
title={Spezielle Probleme der CALPHAD-Methode: Oberseminar},
year={1990},
howpublished = {lecture: Universitaet Goettingen; SS 1990},
note = {Online available at: \url{} (DOI). Bormann, R.: Spezielle Probleme der CALPHAD-Methode: Oberseminar. Universitaet Goettingen, 1990.}}