TY  - BOOK
AU  - Sumner,James B.
AU  - Somers,G.Fred
TI  - Chemistry and methods of enzymes,
AV  - QP601 .S88 1947
U1  - 612.015 
PY  - 1947///
CY  - New York, N.Y.
PB  - Academic Press
KW  - Enzymes
N1  - Includes bibliographies and indexes
ER  -