TY  - BOOK
AU  - Tortora,Gerard J.
AU  - Becker,Joseph F.
TI  - Life science
T2  - The Macmillan biology series
PY  - 1972///
CY  - New York
PB  - MacMillan
KW  - Biology
KW  - Textbooks
N1  - Includes index
ER  -