000 | 00352nam a2200145Ia 4500 | ||
---|---|---|---|
008 | 130223s9999 xx 000 0 und d | ||
100 | _aWesticard, P.H., Zwick, R.W. | ||
245 | _aPear psylla in Oregon | ||
260 | _aOregon | ||
260 | _c1972 | ||
300 | _a22 p. | ||
440 | _aNo. 122; Oregon Agricultural E | ||
901 | _pS21617 | ||
942 |
_cB _2udc |
||
999 |
_c129242 _d129242 |