Mission to Planet Earth: AI Views the World. - Nicholas M. Short Jr.; Robert F. Cromp; William J. Campbell; James C. Tilton; Jacqueline Le Moigne; Gyorgy Fekete; Nathan S. Netanyahu; Keith Wichmann; Walter B. Ligon III (IEEE Expert, 1995)

ECHO - leveraging web service technologies to support a net-centric science enterprise. - Michael Burnett; Keith Wichmann (IGARSS, 2005)