Hartshorne, N. H. (Norman Holt) <br/><br/>
Crystals and the polarising microscope / 
N. H. Hartshorne and A. Stuart 
 - 4th ed. 
 - London :  Edward Arnold,  1970 
 - xi, 614 p., fold. plate. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0713122560 
<br/><br/><label>LCCN: </label>72-526885 //r86 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crystals<br/>Polarizing microscope