The following publications are possibly variants of this publication:
- Radiometric Calibration of Reflective Bands of Landsat 4 Thematic Mapper using Pseudo-Invariant Site TechniqueRimy Malla, Dennis L. Helder. igarss 2008: 1344-1347 [doi]
- Refinement of the Method for Using Pseudo-Invariant Sites for Long Term Calibration Trending of Landsat Reflective BandsJohn R. Schott, Clifton R. Anderson, Julia A. Barsi. igarss 2008: 245-248 [doi]
- Absolute Radiometric Calibration of Landsat Using a Pseudo Invariant Calibration SiteDennis L. Helder, Kurtis J. Thome, Nischal Mishra, Gyanesh Chander, Xiaoxiong Xiong, Amit Angal, Taeyoung Choi. tgrs, 51(3-1):1360-1369, 2013. [doi]
- Classification of North Africa for Use as an Extended Pseudo Invariant Calibration Sites (EPICS) for Radiometric Calibration and Stability Monitoring of Optical Satellite SensorsMahesh Shrestha, Larry Leigh, Dennis L. Helder. remotesensing, 11(7):875, 2019. [doi]
- Use of Pseudo-Invariant Sites for Long-Term Sensor CalibrationDaniel L. Morstad, Dennis L. Helder. igarss 2008: 253-256 [doi]
- Derivation of Hyperspectral Profile of Extended Pseudo Invariant Calibration Sites (EPICS) for Use in Sensor CalibrationMahesh Shrestha, Nahid Hasan, Larry Leigh, Dennis L. Helder. remotesensing, 11(19):2279, 2019. [doi]