TY  - ADVS
TI  - The History of life on earth
PY  - 1975///?]
CY  - [s.l.
PB  - s.n.
KW  - Geology, Stratigraphic
KW  - Paleozoic
KW  - Mesozoic
KW  - Cenozoic
N1  - In 3 carousels; pt.1. Paleozoic life.--pt.2. Mesozoic life.--pt.3. Cenozoic life. For use in Geology 1510 and 1820
ER  -