000			00313nam a2200121Ia 4500
008			151015s9999 xx 000 0 und d
020			_a9251028028
245			_aRole of forestry in combating desertification
260			_c1989
300			_axi 333p.
500			_aFAO coservation guide no- 21
942			_cFAO _2udc
999			_c24455 _d24455