Standard radiometers and targets for microwave remote sensing. - James Randa; Amanda E. Cox; David K. Walker; Michael H. Francis; Jeffrey R. Guerrieri; Katherine MacReynolds (IGARSS, 2004)

Errors due to the reflectivity of calibration targets. - James Randa; David K. Walker; Amanda E. Cox; Robert L. Billinger (IGARSS, 2004)

Errors resulting from the reflectivity of calibration targets. - James Randa; David K. Walker; Amanda E. Cox; Robert L. Billinger (IEEE Trans. Geosci. Remote. Sens., 2005)

Reflectivity studies of passive microwave calibration targets and absorptive materials. - Dazhen Gu; Amanda E. Cox; Derek Houtz; David K. Walker; James Randa; Robert L. Billinger (IGARSS, 2010)

Comparison of microwave black-body target radiometric measurements. - David K. Walker; Dazhen Gu; Katherine MacReynolds; Randy Direen; James Randa; Amanda E. Cox; Derek Houtz; Robert L. Billinger (IGARSS, 2010)