| 000 | 00415nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 100 | _aSchroeder, Morris E. | ||
| 245 | _aSystems approach to mushroom growing : A preview of the mushroom test-demonstrat | ||
| 260 | _aPennsylvania | ||
| 260 | _c1970 | ||
| 300 | _a0.666666667 | ||
| 440 | _aNo. 307; Pennsylvania Agricult | ||
| 901 | _pS17576 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c135253 _d135253 |
||