TY - BOOK AU - McCloskey, James A., ed. TI - Methods in Enzymology SN - 0121820947 U1 - 572.7 PY - 1990/// CY - New York PB - Academic Press KW - Biochemistry KW - Enzymes KW - Mass Spectro Metry N1 - Contents: v.193 Mass spectrometry, Includes index ER -