Ferns, J. L.  <br/><br/>
Meter engineering 

 - London :   Pitman & Sons,   1946. 
 - ix, 350 p. : il. ; 19 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MEDICIONES ELECTRONICAS
<br/><br/><label>Universal Decimal Class. No.: </label>IV-39