Knowledge Bank

National Radio Astronomy Observatory is operated by Associated Universities, Inc., under contract with the National Science Foundation. Present address of L.E. Snyder: Center for Advanced Studies and Department of Astronomy, University of Virginia, Charlottesville, Virginia, 22903. $\mathrm{<mrow\; data-mjx-texclass="ORD">1</mrow>}$ Lewis E. Snyder, David Buhl, B. Zuckerman and Patrick Palmer, Phys. Rev. Letters 22, 679 (1969). $\mathrm{<mrow\; data-mjx-texclass="ORD">2</mrow>}$David Buhl, Lewis E. Snyder, B. Zuckerman and Patrick Palmer, Paper presented at the 129th Meeting of the American Astronomical Society, Honolulu, Hawaii, March 30-April 2, 1969. $\mathrm{<mrow\; data-mjx-texclass="ORD">3</mrow>}$ T. Shigenari, J. Phys. Soc. Japan 23, 404 (1967). Present address of L.E. Snyder: Center for Advanced Studies and Department of Astronomy, University of Virginia, Charlottesville, Virginia, 22903.

Author Institution: National Radio, Astronomy Observatory Green Bank; National Radio, University of Maryland; National Radio, University of Chicago