On the construction of the linear Hull of a set in a convexity space using only the extension operation André Dessard OriginalPaper Pages: 106 - 109
Completion of topological incidence groups Jürgen MisfeldKermit Sigmon OriginalPaper Pages: 150 - 160
Stellare Abänderungen und Schälbarkeit von Komplexen und Polytopen Peter Kleinschmidt OriginalPaper Pages: 161 - 176