000
00308nam a2200145Ia 4500
008
220421s9999||||xx |||||||||||||| ||und||
020
_c
170
040
_a
ET
100
_a
SINGH BIRINDER
245
0
_a
CONCRETE TECHNOLOGY
260
_b
G.B.PUB.
_a
DELHI
300
_a
E-28
500
_a
17520
942
_c
BK
999
_c
23749
_d
23749