Square openings in webs of continuous joists / by John M. H-anson.
Hanson, John M.
Square openings in webs of continuous joists / by John M. H-anson. - Skokie, Illinois : Portland Cement Association - 14 p. - Research and Development Bulletin; RD 001.01D / Portland Ce-ment Association .
Square openings in webs of continuous joists / by John M. H-anson. - Skokie, Illinois : Portland Cement Association - 14 p. - Research and Development Bulletin; RD 001.01D / Portland Ce-ment Association .