000 | 00391nam a2200145Ia 4500 | ||
---|---|---|---|
008 | 130223s9999 xx 000 0 und d | ||
100 | _aKehr, W.R. | ||
245 | _aManagement of four alfalfa varieties to control damage from potato leafhoppers | ||
260 | _aLincoln | ||
260 | _c1975 | ||
300 | _a42 p. | ||
440 | _aNo. 275; Nebraska University, | ||
901 | _pS28586 | ||
942 |
_cB _2udc |
||
999 |
_c127082 _d127082 |