1. Piotrowski J., Pro Active Maintenance for Pumps, Archives, 2001. Available at: http://www.pump-zone.com
2. Patton, Joseph D., Jr. Maintainability and maintenance management. Instrument Society of America. Research Triangle Park, NC; 1994.
3. Computerized maintenance management systems;Wireman,1994
4. County Road Administration Board (CRAB), Maintenance management manual, 2003. Available at: http://www.crab.wa.gov
5. Computer managed maintenance systems in process plants;Cato,1999