Petersen, A. E. <br/><br/>
Production of titanium dioxide pigment from perovskite concentrates, acid sulfation method / 
by A.E. Peterson, M.B. Shirts, and J.P. Allen ; with an appendix on technical evaluation by J.H. Schwier. 
 - [Washington, D.C.] :  Bureau of Mines, U.S. Dept. of the Interior,  1992. 
 - iii, 47 p. :  ill. ;  29 cm. 
 - Report of investigations ;  9397 .
 - Report of investigations (United States. Bureau of Mines) ;  9397 .
<br/><br/>Includes bibliographical references (p. 33-34). 
<br/><br/><label>LCCN: </label>89600336  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Titanium--Metallurgy.<br/>Perovskite.<br/>Sulfuric acid.
<br/><br/><label>LC Class. No.: </label>TN23  TN799.T5  / .U43 no. 9397 
<br/><br/><label>Dewey Class. No.: </label>622 s  669/.7322 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 28.23:9397