@conference{Holl87,
	author = {Hollberg, U., Mattes, B., Schill, A., Schmutz, H., Schöner, B., Staroste, R., Stoll, W.},
	title = {Experiences with the Development of a Portable Network Operating System},
	year = {1987},
	publisher = {Workshop on Experiences with Distributed Systems, Universität Kaiserslautern, Sept. 1987, Lecture Notes in Computer Science Nr. 309, Springer, Berlin 1987}
}