Watkins, A. J. Electrical installation calculations. volume 1 / A. J. Waltkins. - 6th ed. - Oxford : Necones, 1988. - vii, 134 p. - v. 1. ISBN: 0340731842 : KES 1,999 Subjects--Topical Terms: Electrical circuits. LC Class. No.: TK454 / .W38 1988