000 00349nam a2200157Ia 4500
082 _a309.518095412
_bN277.GB
100 _aN. C. A. E. R., New Delhi
245 _aGanga bridge at Patna
_ba cost benefit study
260 _aNew Delhi
_c1967
300 _a74p.
500 _a
690 _a
700 _a
964 _a
_b
_c
_d
_e
_f
_g
921 _a3752
999 _c3752
_d3752