The TOPSAR interferometric radar topographic mapping instrument. - Howard A. Zebker; Søren Nørvang Madsen; Jan M. Martin; Kevin B. Wheeler; Timothy W. Miller; Yun-Ling Lou; Giovanni Alberti; Sergio Vetrella; Alessandro Cucci (IEEE Trans. Geosci. Remote. Sens., 1992)

The Soil Moisture Active Passive (SMAP) mission L-Band radar/radiometer instrument. - Michael W. Spencer; Kevin B. Wheeler; Chris White; Richard D. West; Jeffrey Piepmeier; Derek Hudson; James Medeiros (IGARSS, 2010)

The planned Soil Moisture Active Passive (SMAP) mission L-band radar/radiometer instrument. - Michael W. Spencer; Kevin B. Wheeler; Samuel F. Chan; Jeffrey Piepmeier; Derek Hudson; James Medeiros (IGARSS, 2011)

SMAP L-Band Microwave Radiometer: Instrument Design and First Year on Orbit. - Jeffrey R. Piepmeier; Paolo Focardi; Kevin A. Horgan; Joseph J. Knuble; Negar Ehsan; Jared F. Lucey; Clifford Brambora; Paula R. Brown; Pamela J. Hoffman; Richard T. French; Rebecca L. Mikhaylov; Eug-Yun Kwack; et al. (IEEE Trans. Geosci. Remote. Sens., 2017)