The Global Telescope Network is an informal association of scientists, students, individuals and observatories interested in supporting the NASA Gamma-ray Large Area Space Telescope (GLAST), Swift and XMM-Newton missions by obtaining and reducing ground based observations for objects related to the primary science goals for these missions.
McLin, K., Spear, G., & Cominsky, L. (2008). The Global Telescope Network. In C. Garmany, M. G. Gibbs, and J. W. Moody, EPO and a Changing World: Creating Linkages and Expanding Partnerships, ASP Conference Series (Vol. 389, pp.89-90). San Francisco: ASP