000 00271nam a2200121Ia 4500
100 _aRoberts, Ralph
942 _cBK
654 _a
245 _aComputers computer viruses
260 _aNew Delhi
_bGalgotia Publications
_c1986
082 _a005.8
300 _bHb
_avi,166
999 _c345436
_d345436
041 _aeng