31 Meixia Deng Liping Di Mark Abolins Hongmian Gong Guoqing Zhou Robert E. Ford 2007 GeoBrain: Facilitating Remote Sensing Education With Innovative Technologies IEEE International Geoscience and Remote Sensing Symposium Barcelona, Spain July 23-27 http://www.igarss07.org/frontal/ProgSesion.asp?id=194