TY - RPRT TI - Surface Soil Moisture Retrieval Using SSM/I and Its Comparison with ESTAR: A Case Study Over a Grassland Region AU - Jackson, T. AU - Hsu, A. Y. AU - ONeill, P. E. PY - 1999 UR - https://ntrs.nasa.gov/citations/20000032956 ID - 20000032956 ER -