000 00290nam a2200109Ia 4500
008 200302s9999 xx 000 0 und d
100 _aDayaratnam P. and Others
245 _aPrestressed concret structures 7th ed
260 _bScientific Intenational Pvt.Ltd
260 _c2018
300 _a690
999 _c6463
_d6463