for computers and communication resources Toigo, Jon William. creator text New York John Wiley & Sons Inc. c1996 monographic xxii, 329 pages : Illustrations ; Includes bibliographical references and index. Data recovery (Computer science) Computer security Telecommunication systems - security measures QA 76.9 TOI 0471121754 (pbk : alk. paper) http://www.loc.gov/catdir/bios/wiley043/95049627.html http://www.loc.gov/catdir/description/wiley035/95049627.html http://www.loc.gov/catdir/toc/onix06/95049627.html http://www.loc.gov/catdir/bios/wiley043/95049627.html http://www.loc.gov/catdir/description/wiley035/95049627.html http://www.loc.gov/catdir/toc/onix06/95049627.html