TY  - BOOK
AU  - Paul, F.B.
AU  - W.G. Arthur.
AU  - E.Y. Warren.
TI  - lIfe: It's Forms and Changes 
SN  - 0153663308
AV  - QH375.L5 1972 
PY  - 1972///
CY  - New york
PB  - Harcourt brace 
KW  - Biology
KW  - Life Science
KW  - Ecology -- Study and Teaching
ER  -