The Discovery of Two Quadruple Star Systems with the Second and Third Shortest Outer Periods by Brian P. Powell, Guillermo Torres, Veselin B. Kostov, Tamás Borkovits, Saul A. Rappaport, Maxwell Moe, David W. Latham, Thomas L. Jacobs, Robert Gagliano, Martti H. K. Kristiansen, Mark Omohundro, Hans M. Schwengeler, Daryll M. LaCourse, Ivan A. Terentev, Allan R. Schmitt

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