000			00329nam a2200121Ia 4500
008			151015s9999 xx 000 0 und d
100			_aHopfen, H.J.
245			_aFarm implements for arid and tropical regions
260			_c1960
300			_avii 157p.
500			_aFAO agricultural development paper no- 67
942			_cFAO _2udc
999			_c24360 _d24360