000
00286nam a2200109Ia 4500
008
220201s1999 xx 000 0 eng d
100
_a
GUPTA B L
245
0
_a
ROADS RAILWAYS BRIDGE AND TUNNELS ENGINEERING
260
_a
DELHI
_b
STANDARD BOOK HOUSE
_c
1999
300
_a
1060
942
_2
ddc
999
_c
92285
_d
92285