Hartshorn, N. H.,  <br/><br/>
Crystals and the polarising microscope / 
N.H. Hartshorne and A. Stuart 
 - Fourth edition 
 - London :  Edward Arnold,  1970 
 - xi, 614 pages :  no illustrations ;  24 cm 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>713122560 (hardback) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crystals<br/>Polarizing microscope
<br/><br/><label>LC Class. No.: </label>QD941 H37