Mc Graw-Hill encylopedia of science & technology /   Jilid 1-20    

 - 8 th.ed.    
 - New York, :  Mc Graw-Hill,   1997.    
 - 809p, 20v :  .ill;   29cm    
<br/><br/> Includes bibiographical refrence and index.    
<br/><br/><label>ISBN: </label>0079115047    
<br/><br/><label>Subjects--Topical Terms: </label><br/> Technology--Encyclopedias   <br/>Science--Encyclopedias