TY  - BOOK
AU  - Guttman,Burton S.
AU  - Hopkins,Johns W.
TI  - Understanding biology
SN  - 0155927019
U1  - 570 23
PY  - 1983///
CY  - New York
PB  - Harcourt Brace Jovanovich
KW  - Biology
N1  - Includes index; Bibliography: p. 917-925
ER  -