McGraw-Hill <br/><br/>
McGraw-Hill encyclopedia of science and technology vol. 6 - gab-hys / 
McGraw-Hill 
 - 677 p. ; ill. ; 29 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science -- Encyclopedias.<br/>Encyclopedias and dictionaries.<br/>Science.
<br/><br/><label>Dewey Class. No.: </label>503