TY - RPRT TI - Preliminary assessment of several parameters to measure and compare usefulness of the CEOS reference pseudo-invariant calibration sites AU - Gyanesh Chander AU - Amit Angal AU - Xiaoxiong Xiong AU - Dennis L. Helder AU - Nischal Mishra AU - Taeyoung Choi AU - Aisheng Wu PY - 2010 DO - 10.1117/12.865166 UR - https://pubs.usgs.gov/publication/70157549 ID - 70157549 ER -