Galopin, R., <br/><br/>
Microscopic study of opaque minerals / 
by R. Galopin and N. F. M. Henry ; with historical note by J. Orcel 
 - Cambridge :  W. Heffer & Sons,  1972 
 - x, 329 p. :  ill. ;  26 cm. 
<br/><br/> English text, French preface and historical note. 
<br/><br/>Bibliography: p. 306-311. 
<br/><br/><br/>engfre 
<br/><br/><label>ISBN: </label>0852700474 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mineralogy, Determinative<br/>Optical mineralogy