Mohamed Anwar El- Sayed Osman,  <br/><br/>
Use of rice husk ash as part of cement content in concrete /  
 استخدام رماد غطاء حيات الارز كجزء بديل من المحتوى الاسمنتى فى الخرسانة  
By Mohamed Anwar El- Sayed Osman ; Supervised Prof.Dr. Farouk El-Hakeem, Prof. Dr. Manabu Fujll. 
 - 238 pages :  illustrations ;  25 cm. +  
<br/><br/>Thesis (Ph.D)-Cairo University, 1996 
<br/><br/>Bibliography: pages 205-213 
<br/><br/><label>Subjects--Index Terms: </label>rice husk ash as part   cement content in concrete