TY - RPRT TI - HEAO C-1 gamma-ray spectrometer AU - Mahoney, W. A. AU - Ling, J. C. AU - Willett, J. B. AU - Jacobson, A. S. PY - 1978 UR - https://ntrs.nasa.gov/citations/19780024068 ID - 19780024068 ER -