I'm looking for the following article:
Peyer, B. (1955). Die Triasfauna der Tessiner Kalkalpen. XVIII. Helveticosaurus zollingeri, n.g. n.sp. Schweizerische PalÃontologische Abhandlungen 72: 3-50.
Or at least the Plate 91, if possible.
Can anyone help me please?
Marco Auditore