00000cam a22000004a 4500 UP-99796217607335059 Buklod 20230503092542.0 t r |||| u| ta 080210s1992 xx b r |000 u|eng d 0340555122 (iLib)UPD-00000466746 DML eng DMLUC G 1046 J4 U55 World atlas of desertification UNEP, United Nations Environment Programme. London Edward Arnold c1992. 1 atlas (ix, 69 p.) col. maps. "Dr. Nicholas Middleton ... in collaboration with Dr. David Thomas ... produced the text ... and contributed to the final design and layout"--Acknowledgements. Desertification Maps. Global Continental Africa Case studies. Soil degradation Maps. Soil degradation Africa Maps. United Nations Environment Programme. Book FO Cartographic UPD DMLR G 1046 J4 U55 Book