Hey, D. H <br/><br/>
Kingzett's Chemical Encyclopedia: a digest of chemistry and its industrial applications. (9th ed.) 
edited by D. H. Hey 
 - 9th ed. 
 - London  Bailliere Tindall  1966 
 - xi, 1092p. : ill. 
<br/><br/><label>ISBN: </label>0702000337 
<br/><br/><label>LC Class. No.: </label>QD 4 Kin