Paschkis, V. <br/><br/>
Direct analog computers / 
by Victor Paschkis and Frederick L. Ryder ; with contributions by J. A. Harder, S. H. Unger, and Y. Paker 
 - New York :  Interscience Encyclopedia,  1968 
 - xiii, 400 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographies 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic analog computers<br/>Engineering--Electromechanical analogies<br/>Engineering--Data processing