Fifer, Stanley. <br/><br/>
Analogue Computation :   Theory, Techniques and Applications. Vol. III. 

 - New York :   McGraw-Hill,   1961. 
 - p. 965 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COMPUTADORAS ANALOGICAS<br/>ORDENADORES<br/>COMPUTADORAS
<br/><br/><label>Universal Decimal Class. No.: </label>681.31