Fitch, E. C. (Ernest C.) Proactive maintenance for mechanical systems E. C. Fitch - Oxford Elsevier Advanced Technology 1993 - 339 p. : ill. ; 29 cm. - E. C. Fitch technology transfer series no. 5 . p. 319-331 ISBN: 1856171663 RM646.80 LCCN: 93-111889 Subjects--Topical Terms: Machinery--Maintenance and repair