Wilfong, Roy L. <br/><br/>
Infrared spectra of compounds of importance in lead sulfide flotation / 
by Roy L. Wilfong and Edwin E. Maust. 
 - (Washington) :  U.S. Bureau of Mines,  (1974) 
 - 65 p. : ill. 
 - Report of Investigations; 7963 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lead sulphide.