TY  - RPRT
TI  - Morphological diversity and evolution of egg and clutch structure in amphibians
AU  - Ronald Altig
AU  - Roy W. McDiarmid
PY  - 2007
DO  - 10.1655/06-005.1
UR  - https://pubs.usgs.gov/publication/5224854
ID  - 5224854
ER  -