00800nam0-22002891i-450-99000057439040332120001010000057439FED01000057439(Aleph)000057439FED0100005743920001010d--------km-y0itay50------baitay-------001yyPRESTRESSED CONCRETE BEAMS- Design and logical analysis -WILBY C.B.New YorkElsevier Publ. Company Limited1969Scienza delle CostruzioniCalcolo a RotturaTeoria delle StruttureWilby,Charles BryanITUNINARICAUNIMARCBK99000057439040332107 A-77DINSCDINSCUNINAING01