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