1. Opportunities for postdoctoral research in physical and mathematical sciences at National Bureau of Standards, Washington, D.C., Boulder, Colo., 1964-65, postdoctoral resident research associateships recommended by National Academy of Sciences-National Research Council, Washington, D.C. Bookmark Corporate/Agency Authors: National Bureau of Standards and Commerce Dept. Publisher: National Bureau of Standards Date: [1963.] SuDoc number: C 13.47:964-65