@misc{indiciae56ff87b2b371, title = {An optical search for X-ray sources in Sagittarius.}, author = {Blanco, V. and Bradt, H. and Clark, G. and Hiltner, W. A. and Kunkel, W. and Lynga, G. and Naranan, S. and Rappaport, S. and Spada, G.}, year = {1968}, url = {https://ntrs.nasa.gov/citations/19680053232}, note = {Source identifier: 19680053232} }