TY - BOOK ED - National Research Council (U.S.). TI - Computers at risk: safe computing in the information age SN - 0309043883 AV - QA76.9.A25 C6663 1990 U1 - 005.8 20 PY - 1991/// CY - Washington, D.C. PB - National Academy Press KW - Computer security N1 - Includes bibliographical references (p. 216-240); Online version available via National Academies Press home page UR - http://books.nap.edu/books/0309043883/html/index.html ER -