000 | 00341nam a2200133Ia 4500 | ||
---|---|---|---|
008 | 130223s9999 xx 000 0 und d | ||
100 | _aJohnson, M.W. | ||
245 | _a1971 Pennsylvania corn performance studies | ||
260 | _aPennsylvania | ||
260 | _c1972 | ||
440 | _aNo. 322; Pennsylvania College | ||
901 | _pS21306 | ||
942 |
_cB _2udc |
||
999 |
_c114954 _d114954 |