TY  - BOOK
AU  - Liechenstein,Micheal
ED  - Research and Development Corporation, 
TI  - Designing for security
T2  - The Rand paper series
PY  - 1971///
CY  - Santa Monica, California
PB  - Rand Corporation
KW  - Security systems
N1  - Includes bibliographical references: page 14
ER  -