000
00298nam a2200121Ia 4500
008
220201s1978 xx 000 0 eng d
082
_a
624.1042 MAH
_b
MAH
100
_a
Mahajan,SP
245
0
_a
Civil Estimating & costing
260
_b
New Delhi:Staya Praksah
_c
1978
300
_a
551
942
_2
ddc
999
_c
80457
_d
80457