Watt, David Edwin <br/><br/>
High sensitivity counting techniques. 

 - New York :  Pergamon PressMacMillan,  1964. 
 - 348 p. :  il., tabla, diagr.  ;  22,5 cm. 
 - International series of monographs on electronics and instrumentation, v.<20> .
 - International series of monographs on electronics and instrumentation, v.<20> .