000			00412nam a2200145Ia 4500
008			170101s1970 xx 000 0 und d
082			_a630.72 P14A
100			_aPapadkis, J.
245		0	_aAgricultural research; principles, methodology, suggestions
260			_aBuenos Aires, _bArgentina _c1970
300			_a24cm. 88
650			_aAGRICULTURAL RESEARCH
653			_aAGRICULTURAL RESEARCH
942			_2ddc _cB
999			_c12085 _d12085