@techreport{dh95c,
    author = {Döllner, Jürgen and Hinrichs, Klaus},
    institution = {Angewandte Mathematik und Informatik, Universität Münster},
    title = {The Virtual Rendering System - A Toolkit for Object-Oriented 3D Graphics},
    year = {1995},
    number = {19/95-I},
}