000 | 00354nam a2200121Ia 4500 | ||
---|---|---|---|
001 | MPKV052646 | ||
008 | 120911s9999 xx 000 0 und d | ||
082 | _a630 | ||
245 |
_aCanadian Journal of Research Vol 14 D _c; |
||
246 | _aCanadian Journal of Research Vol 14 D | ||
260 |
_aCanada _bNational Research Council of Canada _c1936 |
||
650 | _aAgronomy | ||
999 |
_c50646 _d50646 |