TY  - BOOK
AU  - Singh,U K  .
AU  - Dewan,J M.
TI  - Maintenance management / 
SN  - 81-7169-405-5
U1  - 658.5 
PY  - 2000///
CY  - New Delhi : 
PB  - Commonwealth publishers , 
KW  - Operations management
ER  -