000 00281nam a2200121Ia 4500
008 170101s1978 xx 000 0 und d
082 _a632 SIL
100 _aSill Webster H.
245 4 _aThe Plant Protection Discipline
260 _c1978
300 _a190 p.
942 _2ddc
_cB
999 _c674266
_d674266