TY  - BOOK
AU  - Levy,Charles K.
TI  - Elements of biology
SN  - 0390556270
AV  - QH308.2QH308.2QH308.2 .L48.L40.L4
U1  - 574 
PY  - 1973///.]
CY  - New York
PB  - Appleton-Century-Crofts
KW  - Biology
N1  - Includes bibliographies
ER  -