000
00259nam a2200109Ia 4500
008
220201s9999 xx 000 0 eng d
100
_a
UPADHYAY (AK)
245
0
_a
TRANSPORTATION ENGG.
250
_a
2ND
260
_b
N.DELHI,S.K. KATARIA & SONS
942
_2
ddc
999
_c
99356
_d
99356