The Vitiacua Formation (Middle to Late Permian - ?Early Triassic, southern Bolivia): Stratigraphy, palynology and paleontology.
Foreign title:
La Formation de Vitiacua (Permien Moyen a Superieup-Trias? Inferieur,Bolivie du Sud): stratigraphie,Palynologie et Paleontologie
Reference:
Sempere,T. et al. (1992)
The Vitiacua Formation (Middle to Late Permian - ?Early Triassic, southern Bolivia): Stratigraphy, palynology and paleontology. [ La Formation de Vitiacua (Permien Moyen a Superieup-Trias? Inferieur,Bolivie du Sud): stratigraphie,Palynologie et Paleontologie ] Neues Jahrbuch fмr Geologie und Pal¤ontologie. Abhandlungen
Vol. 185 # 2 P. 239- 253