Uppal, S.L. Electrical wiring, estimating and costing / S.L. Uppal and J.M. Laroia. - 5th ed. - New Delhi : Khanna, c1997 [Reprinted 2004]. - xiv, 836 pages : illustrations ; 25 cm. Subjects--Topical Terms: Electric wiring. Dewey Class. No.: 621.3 UPP