000 00297nam a2200109Ia 4500
008 200302s9999 xx 000 0 und d
100 _aP Dayaratnam and Sarah
245 _aPrcstressed concrete structures 7th ed
260 _bMedtech Scientific Publishing Pvt. Ltd.
260 _c2018
300 _a690
999 _c6897
_d6897