Reference

Randall L. Jones, James O. Brumfield, Juan de Dios Barrios, James O. Brumfield II, Sang Hong Yoo (2006): A Flexible Traditional and Non-traditional Learner Program for Geospatial Knowledge and Training in Remote Sensing (RS), Geographic Information Systems (GIS) and Global Positioning Systems (GPS) for Cartographic Modeling and Representation – Grazer Schriften der Geographie und Raumforschung – 41: 71 - 76.