ec.europa.eu/comm/competition/index_en.html
This is a section of the Europa website which contains legislation and notices that are relevant to competition law.

ec.europa.eu/comm/competition/index_en.html
This is the official site of the Competition Directorate General containing links to policy areas as well as to other competition sites, the full texts of legislation, decisions, reports and publications.

www.nmmlaw.com/index.php?option=com_content&task=view&id=225&Itemid=28
This is an article on competition law which concentrates on elements of infringement according to Article 81 of the EC Treaty. The article also defines concerted practices, abuse of dominant position, etc.

www.coleurop.be/content/gclc/documents/Paper%20Dolmans.doc
This is a comprehensive article entitled 'The Concept of Abuse under Article 82', which also contains a comparative study with the USA.

ec.europa.eu/comm/competition/publications/dealen1_en.pdf
This is a comprehensive article dealing with the Commission's powers.