El Mowelhy, Nabil Mohamed. <br/><br/>
Genetic characteristics of slick spots in the soils of Egypt   [microform] / 
 نشأة البقع التالفة فى اراضى مصر. 
Nabil Mohamed El Mowelhy. 
 -  1972. 
 - 82, 3 Leaves :  ill ;  30 cm. 
<br/><br/>Thesis (Ph.D.)--Al-Azhar University, 1972. 
<br/><br/>Includes bibliographical references (leaves 75-82) 
<br/><br/><br/>Microfiche . <br/>ASUNET, <br/>Ain Shams University, <br/>2 microfiches : negative. 
<br/><br/><br/>Summary in Arabic. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil chemistry--Egypt.<br/>Soil--Analysis--Egypt.<br/>Soils--Sodium content--Egypt.