TY  - BOOK
AU  - McDonald,John C.
ED  - National Research Council (U.S.).
ED  - National Research Council (U.S.).
ED  - National Research Council (U.S.).
ED  - ebrary, Inc.
TI  - Growing vulnerability of the public switched networks: implications for national security emergency preparedness : a report 
AV  - TK5102.5 .N31 1989eb
PY  - 1989///
CY  - Washington, D.C.
PB  - National Academy Press
KW  - Emergency communication systems
KW  - United States
KW  - National security
KW  - Telecommunication
KW  - Switching systems
KW  - Telecommunication systems
KW  - Electronic books
KW  - local
N1  - Committee chairman: John C. McDonald; Includes bibliographical references; Electronic reproduction; Palo Alto, Calif.; ebrary; 2013; Available via World Wide Web; Access may be limited to ebrary affiliated libraries
UR  - http://site.ebrary.com/lib/strathmore/Doc?id=10071945
ER  -