VanSickle, Gordon H.,  1930- <br/><br/>
An atomic-absorption method for the determination of gold in large samples of geologic materials / 
by Gordon H. VanSickle and Hubert W. Lakin 
 - Washington :  U.S. Government Printing Office,  1968 
 - iii, 4 p. ;  27 cm. 
 - United States Geological Survey Circular ;  561 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gold--Assaying<br/>Spectrophotometry
<br/><br/><label>Dewey Class. No.: </label>552