00530nam a2200145Ia 450000100060000000300040000600500170001000800410002704000110006804100080007908200210008710000950010824501610020326000200036420334Ost20260507154546.0251113s9999||||xx |||||||||||||| ||eng||  cnitttr  aeng  a624.183412bI8P   aInternational sysmposium on noteworthy developments in prestressed and precast concrete ,  0aPrestressed & precast concrete.. /cInternational sysmposium on noteworthy developments in prestressed and precast concrete ( 28-29 Sep., 1989 : Singapore )  aSingaporec1989