Gelb,Sc.D <br/><br/>
Multiple-input Describing Functions and nonliner system design/ 
Sc.D Gelb 
 - New York:  Mc Graw Hall Book Company,  1968 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Multiple-input Describing Functions
<br/><br/><label>Dewey Class. No.: </label>517.382  / GEL