1. The Ries crater of southern Germany, a model for large basins on planetary surfaces;Chao;Fortschr. Mineral.,1976
2. Origin of high-temperature fraction of C2 chondrites;Grossman;Geochim. Cosmochim. Acta,1974
3. Chromium;Goles,1971
4. Petrographische Profildarstellung der Forschungsbohrung Nördlingen 1973;Bauberger;Geol. Bavarica,1974