000			00364nam a2200133Ia 4500
008			180611s9999||||xx |||||||||||||| ||und||
041			_aen
082			_a338.1
100			_aVries De Frits Penning.Paul
245		0	_aSystems Approaches for Agricultural Development
260			_bKluwer Academic pub.. Dordrec _cht 1993
300			_axii,542p;i
942			_cLL
999			_c8826 _d8826