TY  - BOOK
AU  - Nilsson Tage
TI  - On the morphology of the lower jaw of stegoceephalia with special reference to eotriassic stegocephaliana from spitsbergen
U1  - 567.6 
PY  - 1943///
CY  - Stockholm
PB  - Almqvist & Wiksells
KW  - Amphibia
ER  -