TY  - GEN
AU  - Raven Peter H.
AU  - Johnson,George B.
TI  - Biology 
SN  - 0801663725
U1  - 574 20
PY  - 1992///
CY  - St. Louis
PB  - Mosby Year Book
KW  - Biology
N1  - Includes bibliographical references and index
ER  -