00342nam a2200133 a 4500 20260717080005.0 260701s1975 ii 000 0 eng d eng Webster, W. A. R. Handbook of O & M analysis / Webster, W.A.R. London : Business books, 1975. 236 p. BK 5636 5636 0 0 0 0 JC BKBCL BKBCL 1979-03-29 160.55 0 658.4034 WEB JC1959 2026-07-16 12:44:36 160.55 2026-07-16 BK