http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Olinʹs construction :principles, materials, and methods
Rev. ed. of.: Construction: principles, materials, and methods. 7th ed. 2001 .
Περιλαμβάνει βιβλιογραφίες και ευρετήριο.