000 | 00409nam a2200145Ia 4500 | ||
---|---|---|---|
008 | 130223s9999 xx 000 0 und d | ||
100 | _aRudel, R.K., Walsh, R.G. | ||
245 | _aEffects of vertical integration on profitability of ammoni and solution fertiliz | ||
260 | _aNebraska | ||
260 | _c1970 | ||
300 | _a37 p. | ||
440 | _aNo. 412; Nebraska Agricultural | ||
901 | _pS19645 | ||
942 |
_cB _2udc |
||
999 |
_c121295 _d121295 |