Problems of the management of irrigated land in areas of traditional and modern cultivation :    report of an inter-congress meeting of the International Geographical Union Working Group on Resource Management in Drylands, 22-31 March, 1982, El Minia, Egypt /  
edited by Horst G. Mensching, assistant editor Viola Haarmann. 
 - Hamburg :    IGU Working Group,    1982. 
 - 174 p. :    ill., maps ;    24 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Irrigation engineering -- Congresses, addresses, etc.<br/> Irrigation engineering -- Congresses, addres ses, etc.-- Developing countries <br/> Conservation of natural resources -- Congres ses, addresses, etc.-- Developing countries <br/> Arid regions agriculture -- Congresses, addr esses, etc.-- Developing countries