Hansen, J. P.  1928- <br/><br/>
Autogenous attrition microgrinding of calcium carbonate minerals / 
by J. P. Hansen, E. G. Davis, and G. V. Sullivan. 
 - [Washington, D.C.] :  United States Department of the Interior, Bureau of Mines,  1981. 
 - 15 p. :  ill. 
 - Report of investigations ;  8503 .
 - Report of investigations (United States. Bureau of Mines) ;  8503. .
<br/><br/><label>LCCN: </label>91034031 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Autogenous grinding.<br/>Calcium carbonate.