000
00279nam a2200121Ia 4500
008
220201s1980 xx 000 0 eng d
082
_a
624.1042
_b
PUR
100
_a
Puri, ML
245
0
_a
Civil estimating & costing
260
_b
Tech India
_c
1980
300
_a
486
942
_2
ddc
999
_c
81734
_d
81734