00420nam a22001457a 4500008004100000020001800041040005500059080003100114100000600145245002900151260003800180300001800218650001600236653002200252230516b        |||||||| |||| 00| 0 eng d  a0-07-881647-5  aNational Science LibrarycNational Science Library  aR 681.3.01.004.4(035) bN0  a   aComputer virus handbook   aCalifornia: bMcGraw-Hill, c1990  axxvii, 411p.   aIndustries   aAntivirus policy