Druzhinin.G.V. <br/><br/>
Time Relays.(1961). 

 - 1st Ed. 
 -  Peter peregrinus Ltd.  1965 
 - 80p.  23 cm. 
<br/><br/><br/>Text in English 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>ELEC
<br/><br/><label>Index Terms--Genre/Form: </label><br/>D-26
<br/><br/><label>Dewey Class. No.: </label>24D-1098  / DRU