000 | 00375nam a2200145Ia 4500 | ||
---|---|---|---|
008 | 130223s9999 xx 000 0 und d | ||
100 | _aThomas, W.I. | ||
245 | _aNinteen sixty-one Pennsylvania corn performance studies | ||
260 | _aPennsylvania | ||
260 | _c1962 | ||
300 | _a32 p. | ||
440 | _aNo. 241; Pennsylvania Agricult | ||
901 | _pS6104 | ||
942 |
_cB _2udc |
||
999 |
_c128369 _d128369 |