000			00310nam a22001337a 4500
003			OSt
008			240719b |||||||| |||| 00| 0 eng d
082			_a631 _bH95O
100			_aHurd, R. G....
245			_aOpportunities for increasing crop yield
260			_bPitman _c1980
300			_a410
942			_2ddc _cBK
999			_c41861 _d41861