TY  - BOOK
AU  - Glaessner Martin F
TI  - Dawn of animal life: A biohistorical study
T2  - Cambridge earth science
U1  - H6, M4-;1 
PY  - 1984///
CY  - Cambridge
PB  - Cambridge university press       
KW  -  Palaeontology
KW  - Geology
ER  -