000
00277nam a2200121Ia 4500
008
220901s2012 xx 000 0 eng d
082
_a
624.18 SIN
100
_a
Singh, G
245
0
_a
Building materials
260
_b
Standard
_c
2012
_a
Delhi
300
_a
378
942
_2
ddc
_c
BK
_0
1
999
_c
993
_d
993