De Jeu, R., Dorigo, W., Parinussa, R., Wagner, W., Liu, Y., Chung, D., & Fernandez-Prieto, D. (2012). Building a climate record of soil moisture from historical satellite observations. Bulletin of the American Meteorological Society, 93(7-Special Supplement), 32–33. http://hdl.handle.net/20.500.12708/163924