A Precision Geo-referenced Digital Airborne Camera System. - Xiuhong Sun; William Chen 002; James J. Baker; Donald E. Florence; Robert L. Fischer 001; Jeffrey G. Ruby; James C. Eichholz (IGARSS, 2006)

Bidirectional Reflectance Distribution Function Modeling Considerations in Small Unmanned Multispectral Systems. - Robert L. Fischer 001; William J. Shuart; John E. Anderson 009; Richard D. Massaro; Jeffrey G. Ruby (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2022)