00374nam a22000617a 4500008004100000245021200041264005900253220606s1966    us ||||| |||| 00| 0 eng d  aInternational activities of the National Academy of Sciences-National Research Council, 1964/1965 /cNational Academy of Sciences (U.S.); National Academy of Sciences (U.S.). Office of the Foreign Secretary.  aWashington :bOffice of the Foreign Secretary, c1966.