000 003000000a22001450004500
060 _a100
082 _a630. 685 ADV.42
100 _aBrady, N C
245 _aAdvances in agronomy V42
260 _aU S A, Academic press
260 _c1989
300 _a450
650 _aAgronomy
942 _cBK
999 _c348091
_d348091