000 00272nam a2200121Ia 4500
999 _c11586
_d11586
100 _aVazirani VN
245 _aRrailways Bridges and Tunnels
250 _a4
260 _c1986
_bKHANNA PUBLISHERS
_aDelhi
300 _avi+175+140+88
700 _aChandola SP
942 _cBK