Mohd. Jailani Mohd. Nor A machine component monitoring system using audio acoustic signals / by Mohd. Jailani Mohd. Nor - s.n : Sheffield Hallam University, 1996 - 190 p. : ill. ; 30 cm. Thesis (Ph.D.) - Sheffield Hallam University, 1996 References : p. 171-179 Subjects--Topical Terms: Machinery--MonitoringMachinery--Maintenance and repair