Watkins, A. J. <br/><br/>
electrical installation calculations  [[Book] /] 
A. J. Watkins, R. K. Parton. 
 - 2nd. ed. 
 - London :  Edward Arnold,  1993. 
 - 164 p. ;  17cm. 
 -  3 .
<br/><br/> All age. 
<br/><br/><label>ISBN: </label>0340572604 
<br/><br/><label>Dewey Class. No.: </label>621.30151 
<br/><br/><label>National Library of Medicine Call No.: </label>621.30151