1. Joseph E. Gaske, Coil Coatings, Federation of Societies for Coatings Technology, 1987.
2. Metal Cladding and Roofing Manufacturers Association, UK, Statistics, 1991.
3. Duplex Systems: Hot-dip Galvanizing Plus Painting;van Eijnsbergen,1994
4. Hot Dip Coated Products: Technical Note 4, International Lead Zinc Research Organisation, OH, US.