http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
General construction estimating standards
R general construction estimating standards
3 volumes (loose-leaf) : illustrations ; 30 cm
v. 1. Sitework, piling, concrete -- v. 2. Masonry, metals, carpentry, doors, finishes, windows, specialties -- v. 3. Mechanical and electrical.