TY  - BOOK
AU  - Berger,Melvin
TI  - Enzymes in action
SN  - 0690267355
AV  - QP601 .B393 1971
U1  - 660/.63 
PY  - 1971///]
CY  - New York
PB  - Crowell
KW  - Enzymes
KW  - Juvenile literature
KW  - Local
N1  - Bibliography: p. 143-145
ER  -