Mallinckrodt Chemical Laboratory, Harvard University, Cambridge 38, Massachusetts
Department of Chemistry, Washington University, St. Louis, Missouri
*National Research Council-American Chemical Society Petroleum Research Fund Postdoctoral Fellow at Harvard University, Cambridge, Massachusetts, 1957-1958, and at Washington Uniyersity, St. Louis, Missouri, 1958-1959. Present address: Division of Physical Chemistry, University of Minneapolis 14, Minnesota.
