000			00339nam a2200133Ia 4500
008			151015s9999 xx 000 0 und d
020			_a9251031754
100			_aGifford, R.C
245			_aAgricultural engineering in development
260			_c1992
300			_a74 p.
500			_aFAO Agricultural services bulletin
942			_cFAO _2udc
999			_c25289 _d25289