TY  - BOOK
AU  - Perry,William E.
TI  - Managing systems maintenance
SN  - 0894350463 (pbk.)
AV  - QA76.9.S65 P47 1981
U1  - 005.16 
PY  - 1981///
CY  - Wellesley, MA.
PB  - Q.E.D. Information Sciences
KW  - Software maintenance
N1  - Includes indexes
N2  - The book is aimed at incorporating good system maintenance practice, while eliminating ineffective practices
ER  -