Communicating Information about the World Trade Center Disaster: Ripples, Reverberations, and Repercussions. - Michael Blakemore; Roger A. Longhorn (First Monday, 2001)

Re-visiting the Valuing and Pricing of Digital Geographic Information. - Roger A. Longhorn; Michael Blakemore (J. Digit. Inf., 2003)

Developing Feature Types and Related Catalogues for the Marine Community - Lessons from the MOTIIVE project. - Keiran Millard; Rob Atkinson; Andrew Woolf; Kristin Stock; Roger A. Longhorn; Chris Higgins; Mark Small; Sander Hulst; Torill Hamre; Maria Ferreira; Irene Lucius; Peter Breger; et al. (Int. J. Spatial Data Infrastructures Res., 2007)

Geographic information - value, pricing, production, and consumption. - Roger A. Longhorn; Michael Blakemore (CRC Press, 2008)