Mineral science investigations 1976-1977 / 
by editodet by Robert F. Fudali 
 - Washington, D.C. :  United States Government Printing Office,  1979 
 - 73 p. ;  30 cm. 
 - Smithsonian Contributions to the Earth Sciences ;  no. 22 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Minerals<br/>Mineralogy
<br/><br/><label>Dewey Class. No.: </label>549