TY - RPRT TI - Online catalog of world-wide test sites for the post-launch characterization and calibration of optical sensors AU - G. Chander AU - J.B. Christopherson AU - G. L. Stensaas AU - P.M. Teillet PY - 2007 UR - https://pubs.usgs.gov/publication/70033320 ID - 70033320 ER -