000			00331nam a2200133Ia 4500
008			151015s9999 xx 000 0 und d
020			_a-
100			_aLewis, A.B.
245			_aLand classification for agricultural development
260			_c1952
300			_a37 p.
500			_aFAO Development paper no 18
942			_cFAO _2udc
999			_c24959 _d24959