000 00367nam a2200145Ia 4500
008 230327s9999 xx 000 0 und d
020 _a9788173715594
082 _a624.1042 PAT
100 _aPatil, B. S.
245 0 _aCivil Engineering Contracts and Estimates
250 _a3rd.
260 _aNew Delhi;
_bUniversity Press
_c2020
360 _a502.
365 _a475
999 _c35140
_d35140