000 00436nam a2200145 a 4500
020 _a1853830410 (pbk.) :
050 0 4 _aGB611
100 1 _aGrainger, Alan.
245 1 4 _aThe threatening desert :
_bcontrolling desertification /
260 _aLondon :
_bEarthscan in association with United Nations Environment Programme, Nairobi,
_c1990.
300 _axiv, 369 p. ;
500 _aIncludes index.
650 0 _aDesertification
942 _cBK
999 _c773
_d773