| 000 | 00371nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 100 | _aAyer, H.W. | ||
| 245 | _aSulfuric acid in Arizona Agriculture : An economic analysis | ||
| 260 | _aTucson | ||
| 260 | _c1976 | ||
| 300 | _a15 p. | ||
| 440 | _aNo. 231; Arizona Agricultural | ||
| 901 | _pS28410 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c134942 _d134942 |
||