Basic principles of gating. 
American Foundry Society 
 - Schaumburg, Il. :   American Foundry Society,  2005 
 - 66 p.:  ill.; 28 cm 
 - 	Cast metals technology series, 1. .
<br/><br/><label>ISBN: </label>0874332060 
<br/><br/><label>LC Class. No.: </label>TS243  / .bas 2005