Bjørn Berge, Filip Henley, Howard Liddell
http://books.google.co.uk/books?id=1zPUSFXiW_kC&pg=PA74&lpg=PA74&dq=recycled+metal+building+materiaLS&source=web&ots=5aOw17zPx0&sig=uPUXbxLeaKRQeWkadhu2WrMaLwQ&hl=en&sa=X&oi=book_result&resnum=6&ct=result
Europe
Commercial
Today it is possible to select raw materials and produce building materials on the basis of an ecological perspective; information on using metals as building materials.