A petrological-mineralogical code for computer use /  
edited by R. K. Harrison and P. A. Sabine. 
 - London:   Her Majesty's Stationery Office,   1970.  
 - vii, 134 p. :  tables ;  30 cm. 
 - Institute of Geological Sciences : Natural Environment Research Council. 70/6 .
<br/><br/>Includes bibliographical references (p. 6-7). 
<br/><br/><label>ISBN: </label>011880118X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Petrology<br/>Mineralogy
<br/><br/><label>Dewey Class. No.: </label>549.028551