X-Ray Quantum Calorimeter (XOC): A Sounding Rocket Instrument for High Spectral Resolution Studies of the ISM Juda, M. ; Cui, W. ; McCammon, D. ; Plucinsky, P. ; Snedecker, C. ; Zhang, J. ; Kelley, R. ; Madejski, G. ; Moseley, H. ; Szymkowiak, A. Abstract Publication: Bulletin of the American Astronomical Society Pub Date: March 1990 Bibcode: 1990BAAS...22R.889J