TY - BOOK AU - Johns,A.T. AU - Salman,S.K. ED - Institution of Electrical Engineers. TI - Digital protection for power systems T2 - IEE power series SN - 0863411959 U1 - 621.317 20 PY - 1995/// CY - London PB - P. Peregrinus on behalf of the Institution of Electrical Engineers KW - Electric power systems KW - Protection KW - Protective relays N1 - Includes bibliographies and index ER -