| 000 | 00396nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 100 | _aMuir, Melvin K. | ||
| 245 | _aAmounts of indigenous fixed ammonium in modal Pennsylvania soil profiles | ||
| 260 | _aPennsylvania | ||
| 260 | _c1970 | ||
| 300 | _a16 p. | ||
| 440 | _aNo. 765; Pennsylvania Agricult | ||
| 901 | _pS17528 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c115746 _d115746 |
||