Bacher, Robert F.; Havens, William W.; Koch, H. William; Marshak, Robert E.; Seitz, Frederick (1972). "IUPAP–Past and future". Physics Today. 25 (9): 23–28. doi:10.1063/1.3070995. ISSN0031-9228.
Bacher, Robert F.; Havens, William W.; Koch, H. William; Marshak, Robert E.; Seitz, Frederick (1972). "IUPAP–Past and future". Physics Today. 25 (9): 23–28. doi:10.1063/1.3070995. ISSN0031-9228.