Paithankar , Y.G ; Bhide, S. R. Fundamentals of Power System Protection - 2nd - New Delhi: PHI Learning Pvt. Ltd, 2016. - xii, 366p. ISBN: 978-81-203-4123-4 Subjects--Personal Names: Power Engineering Subjects--Topical Terms: Power Engineering Dewey Class. No.: 621.3 PAI