Encyclopedia of Science and Technology 
Encyclopedia 
 - New york  McGraw-Hill  1971 
 - 677p.  Hard cover  0 
 -  Vol.6 Gab-Hys .
<br/><br/> 0 
<br/><br/>0 
<br/><br/>0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>TECHNOLOGY(APPLIED SCIENCES)