Conference on Precision Electromagnetic Measurements 1-5 July 1974. 

 - London :  The Institute of Electrical and Electronics Engineers, Inc.,  1974. 
 - 347 s. :  il. ;  24 cm. 
<br/><br/><label>Uniwersalna Klasyfikacja Dziesiętna: </label> [621.318.3:535.13:538.3]:061.3