Heising, Raymond A. <br/><br/>
Quartz Crystals for Electrical Circuits : The Design and Manufacture 

 - 2a impr 
 - New York :   D. Van Nostrand Company,   1947. 
 - vii, 563p. : 23 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>OSCILADORES ELECTROMECANICOS<br/>CUARZO
<br/><br/><label>Universal Decimal Class. No.: </label>621.373.1