Budzikiewicz, Herbert. <br/><br/>
Structure elucidation of natural products by mass spectrometry / 
Herbert Budzikiewicz, Carl Djerassi, Dudley H. Williams. 
 - San Francisco :  Holden-Day,  1964. 
 - v. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references: p. 227. 
<br/><br/>v.1. Alkaloids - v.2. Steroids, terpenoids, sugars, and miscellaneous classes 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mass spectrometry.