Usifo, Oria Electrical instrumentation and measurements/ by Oria Usifo, - Nigeria: Ecas (NIG) Ltd, c2005 - viii.; 128p.: ill.; 29cm. Include reference and index ISBN: 9780741941 Source: B-26901 Subjects--Topical Terms: Electrical instrumentation and measurement LC Class. No.: TK7878.U84 / .U84 2005