Proceedings of the International Workshop on sand transport and desertification in arid lands 17-26 November 1985, Khartoum, Sudan 
editors: F. El-Baz, I. A. El-Tayeb, M. H. A. Hassan. 
 - Singapore:  World Scientific,  1990. 
 - 469 p.:  ill.;   25 cm. 
<br/><br/><label>ISBN: </label>9971508583 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Desertification--Congresses.