El-Naggar, Sobhi Ahmed. <br/><br/>
Effect of some soil physical properties on the formation of calcium carbonate in nile valley  [microform] / 
 دراسة تأثير بعض الخواص الطبيعية للارض على تكوين كربونات الكالسيوم في أراضي وادي النيل. 
by Sobhi Ahmed El-Naggar. 
 -  1980. 
 - 131, 6 leaves :  ill. ;  30 cm. 
<br/><br/>Thesis (M.S.)--Cairo Universty, 1980. 
<br/><br/>Includes bibliographical references (leaves 121-131). 
<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 Physics--Egypt.<br/>Calcium carbonate.