Tifashi Ahmad bin Yusuf Au.   <br/><br/>
Kitab Azhar al-afkar fi jawahir al-ahjar 

 - Qhira  Al-hayyat-al-misria Egypt          1977 
 - 327p.  cm. 
<br/><br/><label>ISBN: </label>9772012502 
<br/><br/><label>Standard No.: </label>334046 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> GEOLOGY<br/>ARABIC LANGUAGE
<br/><br/><label>Dewey Class. No.: </label>H19, 28L7