@misc{bormann_einfuehrung_in_1990, 
author={Bormann, R.},
title={Einfuehrung in die CALPHAD – Methode: Oberseminar},
year={1990},
howpublished = {lecture: Universitaet Goettingen;},
note = {Bormann, R.: Einfuehrung in die CALPHAD – Methode: Oberseminar. Universitaet Goettingen, 1990.}}