@book{ 0-110527439X, title = {The lower and middle Tithonian ammonite fauna from Cerro Lotena, Province of Neuquen, Argentina}, series = {Zitteliana}, author = {Leanza, Héctor A. and Clemens, William Alvin}, address = {München}, publisher = {Bayer. Staatssammlung f. Paläontologie u. Histor. Geologie}, year = {1980}, language = {English}, url = {https://katalog.ub.tu-freiberg.de/Record/0-110527439X} }