Physics of desertification / edited by Farouk El-Baz, M.H.A. Hassan. El-Baz, Farouk. Hassan, Mohamed. International Centre for Theoretical Physics. Desertification Congresses. Geomorphology Arid regions Congresses. Arid regions Congresses. Arid regions agriculture Congresses. GB611 .P476 1986 551.4 19 ELP Papers presented at a workshop held in Trieste, Italy, Nov. 10-28, 1980, under the auspices of the International Center for Theoretical Physics. Includes bibliographical references and index. Dordrecht ; Boston : M. Nijhoff ; Hingham, MA, USA : Distributors for the U.S. and Canada, Kluwer Academic Publishers, 1986. 1986. 1986 Text xii, 473 p. : eng