Summers, Wilford I. <br/><br/>
NFPA handbook of the National electrical code  Based on the current 1975 Code 
Wilford I. Summers 
 - 4th.ed. 
 - New York  McGraw-Hill  [n.d.] 
 - v.  illus.  21 cm. 
<br/><br/> Includes indeks 
<br/><br/><label>ISBN: </label>0066020008 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical engineering--Insurance requirements.<br/>Electronic packaging.