000 00321nam a2200121Ia 4500
008 220214s9999 xx 000 0 und d
245 0 _aAgronomy news
260 _bAmerican Society of Agronomy
_aWisconsin
310 _aBM
500 _aEnding Volume & Year: , 1983
500 _aStarting Volume & Year: 1979
942 _cBJ
999 _c8156
_d8156