000 00332nam a2200133Ia 4500
008 130225s9999 xx 000 0 und d
100 _aStock, Max H.
245 _aToxicity of four insecticides on trout
260 _aShell
_c1950
300 _a0.625
440 _aNo. 52 ADB: 219; Shell Agricu
901 _a51522
942 _cB
_2udc
999 _c9183
_d9183