000 00284nam a2200121Ia 4500
020 _a9789380659367
100 _aPurushothama Raj.P
245 _aConstruction Techniques Equipment & Practices
250 _a5 ed
260 _bSri krishna
300 _aRef.2
_bRs:340
490 _a19810
999 _c19810
_d19810