LEADER 00000nam 2200181 a 4500 001 1853830410 003 UkHlHU 007 t 008 960723s1990 LON 000 020 1853830410 040 UkHlHU 100 1 Grainger, Alan. 245 14 The threatening desert :|bcontrolling desertification. 260 London :|bEarthscan,|c1990. 300 369 p. 650 0 Desertification|xControl. 936 UCS bib. record
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