Arem, Joel <br/><br/>
Rocks and minerals : all - color guide / 
by Joel Arem ; photographs by Lee Boltin. 
 -  A Ridge Press Book,  [1978]. 
 - [160] p. :  ill. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0553123459 
<br/><br/><label>Subjects--Index Terms: </label>მინერალოგია, მეგზური. 
<br/><br/><label>Universal Decimal Class. No.: </label>549(036)