Portail officiel du groupe Afnor : élaboration, homologation et vente de normes, information, formation, conseil, certification de produits, services, systèmes
Encyclopedia Britannica Online, featuring the complete Encyclopedia Britannica, Britannica Concise Encyclopedia, Merriam-Webster's Dictionary & Thesaurus, videos, web sites, and magazines.
The Energy Citations Database (ECD) provides access to historical and current research (1948 to the present) from the Department of Energy (DOE) and predecessor agencies.