Calibration of the COBE far infrared absolute spectrophotometer (FIRAS) Isaacman, R. ; Eplee, E. R. ; Cheng, E. ; Mather, J. ; Shafer, R. ; Meyer, S. ; Weiss, R. ; Wright, E. ; Kummerer, R. ; Read, S. ; Olson, L. Abstract Publication: Physical Cosmology Pub Date: 1991 Bibcode: 1991phco.conf..514I