000 00300nam a2200121Ia 4500
008 220201s1990 xx 000 0 eng d
082 _a1.644
_bHAY
100 _aHaynes,Colin
245 0 _aComputer virus protection handbook
260 _adelhi
_bBPB publication
_c1990
300 _a192
942 _2ddc
999 _c34052
_d34052