000 003120000a22001210004500
245 _aDesign data for simply supported prestressed beams in one story buildings
110 _aPortland Cement Association
260 _aSkokie
_c1965
300 _a72 p.
080 _a624.072.22
_bP6
041 _aEN
942 _cBK
999 _c95621
_d95621