TY  - BOOK
AU  - Raven,Peter H.
AU  - Johnson,George B.
TI  - Understanding biology
SN  - 0697222136
U1  - 574 
PY  - 1995///
CY  - Dubuque, IA
PB  - Wm. C. Brown Publishers
KW  - Biology
N1  - Includes bibliographical references and index
ER  -