- London Metal Exchange
www.lme.com - Kitco – Gold Precious Metals
www.kitco.com - The Bureau of International Recycling (BIR)
www.bir.org - Institute of Scrap Recycling Industries
www.isri.org - Scrap Magazine
www.scrap.org - Recycler’s World
www.recycle.net - Scrap – Wikipedia
en.wikipedia.org/wiki/Scrap - MetalPrices
www.metalprices.com - Steel Recycling Institute
www.recycle-steel.org - The Aluminum Association, Inc.
www.aluminum.org