TY  - BOOK
AU  - Wessells, Norman K.
AU  - Hopson, Janet L.
TI  - Biology
SN  - 0394337328
U1  - 574 
PY  - 1988///
CY  - New York
PB  - Oxford University Press
KW  - Biology
N1  - 002015; S 073
ER  -