00622cam a2200205u 4500 BD-DhSAU 5334 BD-DhSAU 20150415115556.0 830216s1977 ii a r 001 0 eng BD-DhSAU 22 625.163 RAP Ringwala, S. C. Principles of railway engineering : a basic text-book for engineering students / 6th ed. Anand, India : Charotar Book Stall, c1964. xiv, 373 p. : ill. ; 22 cm. Includes bibliographical references and index. joy Railroad engineering. ddc BOOK 5334 5334 0 0 ddc 0 1 REF BD-DhSAU BD-DhSAU REF 2008-08-06 0 625.163 RAP 34358 2015-04-15 00:00:00 2015-04-15 BOOK