000
00237nam a2200097Ia 4500
008
220201s9999 xx 000 0 eng d
100
_a
UPADHAYAY (AK)
245
0
_a
SOIL & FOUNDATION ENGG
260
_b
S.K. KATARIA NEW DELHI
942
_2
ddc
999
_c
99531
_d
99531