al-Daffa','Ali'Abd Allah <br/><br/>
Studies in the exact sciences in medieval Islam / 
by Ali A. Ali-Daffa and John J. Stroyls 
 - Dhahran:  University of Petroleum and Mineral,  1984. 
 - 243 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>0471903205 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Islamic Empire--History