000 | 00379nam a2200145Ia 4500 | ||
---|---|---|---|
008 | 130223s9999 xx 000 0 und d | ||
080 | _a633.15.001.4(748) | ||
100 | _aJohnson, M.W. | ||
245 | _a1984 Pennsylvania corn performance studies | ||
260 | _aUniversity Park | ||
260 | _c1985 | ||
440 | _aNo. 385; Pennsylvania Agricult | ||
901 | _pS38250 | ||
942 |
_cB _2udc |
||
999 |
_c151688 _d151688 |