Journal Articles
- Journal of Geodesy (2009) "The International GNSS Service (IGS) in a Changing Landscape of Global Navigation Satellite Systems"
- Journal of Geodesy (March 2009) "The International GNSS Service (IGS) in a Changing Landscape of Global Navigation Satellite Systems"
- Advances in Space Research, December 2006, "Galileo and the IGS: Taking Advantage of Multiple GNSS Constellations"
- IGS Entry in 2003 McGraw-Hill Yearbook of Science and Technology
- COSPAR 1998, The IGS: An Interdisciplinary Service in Support of Sciences