000
00228nam a22001097a 4500
082
_a
P-146
245
_a
Design of roof slabs
260
_c
19-4-2000
526
_a
0
_b
0
_c
0
_d
P_146
650
_a
Project
_9
47593
942
_2
ddc
_c
BK
999
_c
550787
_d
550787