TY  - BOOK
AU  - Allen, Gerland E
TI  - Life Scince in the twentieth century
SN  - 0-471-02337-X
U1  - 574.09 21st
PY  - 1975///
CY  - New York
PB  - John Wiley and Sons
KW  - Biology-History-20th century
ER  -