TY  - GEN
AU  - Levitt,Karl N.
AU  - 
ED  - United States.
TI  - The SRI hierarchical development methodology (HDM) and its application to the development of secure software / \ Karl N. Nevitt
T2  - NBS special publication, 500-67.;  
U1  - US 005.006  23rd ed.
PY  - 1980///
CY  - Washington
PB  - U.S. Department of Commerce
KW  - Computer programming
KW  - Management
KW  - Computer security
N1  - NBS special publication 500-67
ER  -