TY  - BOOK
AU  - Guttman, Burton S.
AU  - Hopkins, Johns W.
TI  - Understanding biology
SN  - 0155927019
AV  - QH308.2 .G876 1983
U1  - 574 19
PY  - 1983///
CY  - New York
PB  - Harcourt Brace Jovanovich
KW  - Biology
N1  - Includes index; Includes bibliographical references and index
ER  -