http://www.steelframing.org/PDF/SFA_Framing_Guide_final%202.pdf http://www.foursteelwalls.co.uk/cs-01.html http://www.trilliumdell.com/timber-frame-trusses.html http://www.timberstructures.net/timber-framing.html http://www.jvglobal.com.au/upload/NASH_-_Buyers_Guide_to_Steel_Framed_Housing.pdf http://www.steelbiz.org/Discovery/BackdoorViewer.aspx?ID=gsDX2bK5oD7INCeXvQKZGC8ca+Y5WHxMsHPhKhJYcqomwUc2GeLYtjF08Gm6syIP http://continuingeducation.construction.com/crs.php?L=285&C=883 http://www.ehow.com/list_6951536_advantages-steel-frame-buildings.html http://www.environ.ie/en/Publications/DevelopmentandHousing/BuildingStandards/FileDownLoad,1680,en.pdf http://www.framewiseltd.co.uk/Case-Studies/new-build.html http://www.stow-bet.com.pl/opracowania/TimberSteelFrameBuilding_Sweden.pdf
http://www.forestry.gov.uk/pdf/Timber-frame-buildings-a-guide-to-the-construction-process_D496.pdf/$FILE/Timber-frame-buildings-a-guide-to-the-construction-process_D496.pdf