The Soil Moisture Active Passive (SMAP) Mission,
, Proceedings of the IEEE, 05/2010, Volume 98, (2010)
The Hydrosphere State (HYDROS) mission concept: An Earth System Pathfinder for global mapping of soil moisture and land freeze/thaw,
, Transactions in Geoscience and Remote Sensing, Volume 42, Number 10, p.2184-2195, (2004)
