000 00605nam a2200121Ia 4500
008 241114s9999||||xx |||||||||||||| ||und||
100 _aHUDSON, Norman W
245 0 _aSoil and water conservation in semi-arid areas
260 _aRome
_bFAO
_c1987
440 _aFAO
650 _a SOIL CONSERVATION | WATER CONSERVATION | SEMI-ARID ZONE | SOIL MANAGEMENT | SOIL IMPROVEMENT | SOIL SCIENCES | AGRICULTURE
942 _cBK
999 _c94564
_d94564