TY  - BOOK
AU  - Hirs,c h w
AU  - Kaplan, Nathan, O.
TI  -  Methods in enzymology: :v.27 enzyme struccture (part D)
U1  - 574.192 5 
PY  - 1973///
CY  - New York
PB  - Academic Press
KW  - Enzyme struccture
ER  -