000 00363nam a2200121Ia 4500
001 MPKV109817
008 120911s9999 xx 000 0 und d
082 _a632.8
245 _aCrops and Soils Magazine Vol.31-32 part No.1-9
_c;
246 _aCrops and Soils Magazine Vol.Jan-Dec
260 _aWisconsin
_bAmerican Society of Agronomy
_c1978-80
650 _aVirology
999 _c73145
_d73145