Hum, R. (Ralph) <br/><br/>
Chemistry for engineering students 
by R. Hum 
 - 2nd rev ed. 
 - London  Charles Griffin  1959 
 - 857p. ill. 20cm. 
<br/><br/> First published 1938  Indludes index 
<br/><br/><label>LCCN: </label>59-3760 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry