improved procedure for proportioning mixes of structural li-ghtweight concrete / by R. Landgren, J. A. Hanson, and D. -W. Pfeifer.
Landgren, R.
improved procedure for proportioning mixes of structural li-ghtweight concrete / by R. Landgren, J. A. Hanson, and D. -W. Pfeifer. - Skokie, Illinois : atories - [20] p. - Bulletin 183 / Portland Cement Association .
improved procedure for proportioning mixes of structural li-ghtweight concrete / by R. Landgren, J. A. Hanson, and D. -W. Pfeifer. - Skokie, Illinois : atories - [20] p. - Bulletin 183 / Portland Cement Association .