The Use and Functionality of the Environmental Data Registry: An Evaluation of User Feedback. - Panayiota Polydoratou; Michael Pendleton; David Nicholas (ICADL, 2002)

The System of Registries: An Evaluation of User Feedback... A Year Later. - Panayiota Polydoratou; Michael Pendleton; David Nicholas (ICADL, 2003)

The Digital Divide - International Enforcement of Digital Lockup. - Michael Pendleton (J. Inf. Law Technol., 2006)

Using web logs transactions to assess a metadata registry system's use: The case of the Environmental Data Registry and the System of Registries. - Panayiota Polydoratou; Michael Pendleton; David Nicholas (OCLC Syst. Serv., 2007)