Goemans, Caroline and Dumortier, Jos, &quot; Enforcement Issues - Mandatory Retention of Traffic Data in the EU: Possible Impact on Privacy and On-line Anonymity, in Digital Anonymity and the Law: Tensions and Dimensions (The Hague: T.M.C. Asser Press, 2003), pp. 161183.
Goemans, Caroline and Dumortier, Jos, &quot; Enforcement Issues - Mandatory Retention of Traffic Data in the EU: Possible Impact on Privacy and On-line Anonymity, in Digital Anonymity and the Law: Tensions and Dimensions (The Hague: T.M.C. Asser Press, 2003), pp. 161-183.