Netspionage : the global threat to information / William Boni, Gerald L. Kovacich. Boni, William C. Kovacich, Gerald L. Computer crimes. Computer security. Internet. HV6773 .B665 2000 364.168 21 BON Includes index. Boston : Butterworth-Heinemann, 2000. 2000. 2000 Text xx, 260 p. : http://www.loc.gov/catdir/description/els031/00039832.html http://www.loc.gov/catdir/toc/els031/00039832.html eng