@misc{kloetzer_extrusion_of_1997, 
author={Kloetzer, R.,Paul, D.,Seibig, B.},
title={Extrusion of Microcellular Foams and Application},
year={1997},
howpublished = {conference paper,conference lecture: null; null},
note = {Online available at: \url{} (DOI). Kloetzer, R.; Paul, D.; Seibig, B.: Extrusion of Microcellular Foams and Application. In: Annual Technical Conference 1997, Society of Plastic Engineers, Proceedings of SPE, ANTEC 97. 1997. 2042-6.}}