TY  - BOOK
AU  - Perry, William E
TI  - Managing systems maintenance
SN  - 0-13-550450-3
AV  - QA 76.9.S65 P47
PY  - 1983///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Mantenimiento de software
N1  - Reprint. Originally published: Wellesley, MA: QED Information Sciences, c1981; Incluye apéndices
ER  -