Compact 16-Dimensional Projective Planes with Large Collineation Groups. H. Salzmann — 1982 Mathematische Annalen
Schwache Lösungen des Frankl-Morawetz-Problems im ...3. H. Salzmann; M. Schneider — 1977 Monatshefte für Mathematik
16-dimensional compact projective planes with 3 fixed points. Salzmann, H. — 2003 Advances in Geometry