TY - RPRT TI - Satellite instrument calibration for measuring global climate change AU - Ohring, George AU - Wielicki, Bruce AU - Spencer, Roy AU - Emery, Bill AU - Datla, Raju PY - 2004 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 7047 DO - 10.6028/NIST.IR.7047 ER -