Mcgraw-hill encyclopedia of science & technology:   INDEX 20 
/Mcgraw-Hill 
 - 10th ed.  
 - New York:   Mcgraw-Hill,  2007 
 - 750p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedia 
<br/><br/><label>Subjects--Index Terms: </label>Science  
<br/><br/><label>Universal Decimal Class. No.: </label>R 5/6(03)  / P7.20