TY - BOOK AU - Budzikiewicz,Herbert AU - Djerassi,Carl AU - Williams,Dudley H. TI - Structure elucidation of natural products by mass spectrometry PY - 1964/// CY - San Francisco : PB - Holden-Day KW - BIOCHEMISTRY KW - inist KW - BIOQUIMICA KW - MASS SPECTROSCOPY KW - ESPECTROSCOPIA DE MASAS N1 - Incluye bibliografía; v. 1. Alkaloids; v. 2. Steroids, terpenoids, sugars, and miscellaneous classes ER -