TY  - BOOK
AU  - Allen, Robert Day.
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 60402075
SN  - 2
PY  - 1977///];copyright 197746
CY  - New York
PB  - Harper & Row
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Biology
N1  - Includes bibliographies and index; 5
ER  -