Symposium on the Development of the Physicist's Conception of Nature in the 20. Century (1972 : Triest) (1972-)(2)
Anshen, Ruth Nanda (1900-2003)(1)
Australian Academy of Science (1954-)(1)
Dirac, P. A. M. (1902-1984)(1)
New York Times (Zeitung) (1851-)(1)