000
00231nam a2200097Ia 4500
008
230401s9999 xx 000 0 eng d
100
_a
DEMALARA SAN(S.P)
245
0
_a
BASIC OF STRUCTURAL DYNAMIC
260
_b
PHI
942
_2
ddc
_c
BTECH
999
_c
7221
_d
7221