High voltage direct current convertors and systems / 
C. Adamson, ... [et al], edited by B. J. Cory. 
 - London :  Macdonald,  1965. 
 - xiii, 269 p. :  ill., maps. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric power distribution--High tension.<br/>Electric power transmission--Direct current.<br/>Electric current convertors.