000 00298nam a2200121Ia 4500
008 230222s9999 xx 000 0 und d
082 _a624
100 _aPatil B S
245 0 _aCivil Engineering Contracts and Estimates
250 _a3
260 _bUniversity Press,Hyderabad
_c2011
942 _cBK
999 _c22457
_d22457