000 00314 a2200097 4500
082 _a385 VAZ
100 _aVazirani, V. N.
245 _aRailways, Bridges and Tunnels
_cV. N. Vazirani, S. P. Chandola
260 _aNew Delhi :
_bKhanna Publishers,
_c2007
300 _axii, 88p. :
_bill ., pics., ;
_c23 cm
650 _aRailways -- Bridges -- Tunnels
999 _c430
_d430