TY  - SER
AU  -  Eaton, Theodore H. 
TI  -  The Ancestry of Modern Amphibia : :  A Review of the Evidence 
AV  - QH 
PY  - 2011///
PB  -  Project Gutenberg, 
KW  -  Amphibians -- Anatomy
KW  -  Amphibians, Fossil
N1  -  Public domain in the USA;  Text
UR  -  http://www.gutenberg.org/ebooks/37350
ER  -