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999 _c91762
_d91762
005 20230614090714.0
008 180710s9999 xx 000 0 und d
041 _aEN
082 _a633.63
_bVAN
_223
100 _aVan der Werf, W.
245 _aYellowing viruses in sugarbeet; epidemiology and damage
_c/by W.van der Wert
260 _a[S.l.]
_b[s.n.]
_c[n.d]
300 _a152 pages
500 _aIncludes references
509 _aNS
942 _cR