The Lower and Middle Tithonian Ammonite Fauna from Cerro Lotena, Province of Neuquen, ArgentinaPublished in Zitteliana, in 1980, in volume 5, pages 3-49Rhaeto-Liassic Mammals from Switzerland and West GermanyPublished in Zitteliana, in 1980, in volume 5, pages 51-92
Rhaeto-Liassic Mammals from Switzerland and West GermanyPublished in Zitteliana, in 1980, in volume 5, pages 51-92