@misc{bormann_einfuehrung_in_1989, 
author={Bormann, R.},
title={Einfuehrung in die CALPHAD – Methode: Oberseminar},
year={1989},
howpublished = {lecture: Universitaet Goettingen; SS 1989},
note = {Online available at: \url{} (DOI). Bormann, R.: Einfuehrung in die CALPHAD – Methode: Oberseminar. Universitaet Goettingen, 1989.}}