000 00305nam a2200133Ia 4500
008 130223s9999 xx 000 0 und d
245 _aLettuce aphids
260 _aLondon
260 _c1959
300 _a0.75
440 _aGreat Britain Ministry of Agricultural
901 _pS997
942 _cB
_2udc
999 _c126640
_d126640