000 005270000a22001810004500
008 160902b xxu||||| |||| 00| 0 eng d
041 _aspa
080 _a624.012.4
_bPOR
942 _cPM
_2udc
245 _a[Concrete Information] Vertical pressure on culverts under wheel loads on concrete pavement slabs
260 _bPortland Cement Association
260 _aSkokie
260 _c[n.d.]
300 _a[8]p. ; ill., tables
650 _aCONCRETE PAVEMENTS
650 _aCONCRETE SLABS
999 _c22332
_d22332