Bahlwan,Mohamed Hossam. <br/><br/>
Geochemical studies on the formation of certain minerals in soils of Arid Regions  [microform]/ 
 دراسات جيوكيميائية على تكوين بعض المعادن فى أراضى المناطق الجافة. 
Mohamed Hossam Bahlwan. 
 -  2000. 
 - 159, 4Leaves :  ill. ;  30 cm. 
<br/><br/>Thesis (Ph.D.)--Ain Shams University,2000. 
<br/><br/>Includes bibliographical references (leaves 147-159) 
<br/><br/><br/>Microfiche. <br/>Cairo, Egypt : <br/>ASUNET, <br/>3 microfiches:negative. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil minerology.<br/>Arid regions.<br/>Soil properties.<br/>Soil physical chemistry.