Ringwala, S. C Principles of railway engineering; a basic text-book for engineering students / S C Ringwala, - 1st ed. - Anand, India, Charotar Book Stall, 1964. - xiv, 272 p. illus. 22 cm. LCCN: sa 64008565 Subjects--Topical Terms: Railroad engineering. LC Class. No.: TF146 / .R33 Dewey Class. No.: 625.1 / RAP 1964