@misc{indiciae7b8a9f837cb4, title = {EUV and X-ray spectroheliograph study}, author = {Knox, E. D. and Pastor, R. A. and Salamon, A. L. and Sterk, A. A.}, year = {1975}, url = {https://ntrs.nasa.gov/citations/19750017064}, note = {Source identifier: 19750017064} }