TY  - BOOK
AU  - Gruenberger, Fred J.
TI  - Critical factores in data managgement
T2  - Prentice-Hall series in automatic computation
U1  - 651.26 
PY  - 1969///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Procesamiento automático de datos
ER  -