Centro de Materiais da UP (CEMUP)

http://www.cemup.up.pt/

Metallurgy Resources on the Internet

http://www.geocities.com/SiliconValley/5978/metal.html

Centre Tecnnique des Industries de la Fonderie

http://www.ctif.com/

Material Properties & Data

http://metals.about.com/library/bl-properties.htm

North American Die Casting Association (NADCA)

http://www.diecasting.org/

Deutsches Patent- und Markenamt

http://www.dpma.de/links/links.html

Ductile iron Society

http://www.ductile.org/

Material Properties & Data

http://metals.about.com/library/bl-properties.htm

U. Birmingham (UK) -Institute of Metallurgy and Materials Science

http://www.bham.ac.uk/metallurgy/research-fr.html

Manual of Casting Defects

http://www.iko-erbsloeh.de/english/habu_e/handbuch/inhalt/inhalt.htm

Manual of Casting Defects

http://www.iko-erbsloeh.de/english/habu_e/handbuch/inhalt/inhalt.htm

Castings Directory

http://www.castingsnet.com/

Foundry Manegement & Technology magazine

http://www.foundrymag.com/

Driver Guide

http://www.driverguide.com/

ParksSoft Online

http://www.parkssoft.com/ezair.html

Foundry Information System

http://www.fissys.com/new-docs/default2.html

Instituto de Promoção Ambiental

http://www.ipamb.pt/pls/ipamb/homepage

Ministério do Ambiente

http://www.ambiente.gov.pt/pls/maot/homepage

Sistema de Informação Documental sobre Direito do Ambiente

http://www.diramb.gov.pt/