MGH <br/><br/>
Encyclopedia of Science and Technology 

 - Seventh 
 - New York  MGH, NewYork  1992 
 -  XIX .
<br/><br/><label>ISBN: </label>0000021234 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Science <br/> Technology <br/> ULC-ZYG <br/> WLC-ZYG<br/>Dictionaries and Encyclopadies<br/>Encyclopedia 
<br/><br/><label>Dewey Class. No.: </label>621.003