TY  - BOOK
AU  - Johnson, Lyle R.
TI  - System structure in data, programs and computers
T2  - Series in automatic computation
U1  - 001.61 
PY  - 1970///
CY  - Englewood Cliffs, N.J.,
PB  - Prentice-Hall
KW  - Análisis de sistemas
KW  - Programación (Computadoras)
ER  -