An abstract is not available for this content so a preview has been provided. As you have access to this content, a full PDF is available via the ‘Save PDF’ action button.
44.Welch, G.A., Sastry, G.N.1971, Ap. J. (Letters), 169, L3.Google Scholar
45
45.Matilsky, A., Gursky, H., Kellogg, E., Tananbaum, H., Murray, S., Giacconi, R.1972, submitted to Ap. J.Google Scholar
46
46.Gursky, H., Matilsky, T., Kellogg, E.M., Tananbaum, H., Giacconi, R.1972, to be submitted to Ap. J.Google Scholar
47
47Field, G.1972, in Annual Review of Astronomy and Astrophysics, Vol. 10, (Annual Reviews Inc.Palo Alto), 227–260.Google Scholar
48
48Davidsen, A., Shulman, S., Fritz, G., Meekins, J., Friedman, H.1971, Joint Meeting of Division of Cosmic Physics A.P.S., and High Energy Astrophysics Division, A.A.S., San Juan, P.R., Dec. 1-4, 1971.Google Scholar