Comparison and evaluation of some economic models of digital-only journals. - Leah Halliday; Charles Oppenheim (J. Documentation, 2000)

Scholarly communication, scholarly publication and the status of emerging formats. - Leah Halliday (Inf. Res., 2001)

Developments in digital journals. - Leah Halliday; Charles Oppenheim (J. Documentation, 2001)

Economic aspects of a resource discovery network. - Leah Halliday; Charles Oppenheim (J. Documentation, 2001)

Economic aspects of a national electronic reserve service. - Leah Halliday; Charles Oppenheim (J. Documentation, 2001)