1Lu jianguo etal. The Study d periodic and Automatic Measurement of Relay operating Tinme by microprocessor- Controlled Test Equipment. 1990
2Kezunovic,m, * ;Chen,Q. * Advanced relay testing and signal processing software for two- terminal digital simulator. Proceedings of the American Power Conference. 58th Annual Meeting 1996. Technology for Conpetitlon and Globalization. p. 590 -5 vol. 1
