000 00286nam a22001217a 4500
008 180312b xxu||||| |||| 00| 0 eng d
041 _aeng
080 _a621
100 _a27
101 _aMEC
245 _aDESIGN OF PRESTRESSED CONNCRETE STRUCTURES
_cLIN.T.Y
942 _2udc
_cBK
999 _c44736
_d44736