TY  - GEN
AU  - Niebuhr,Reinhold
TI  - The structure of nations and empires: a study of the recurring patterns and problems of the political order in relation to the unique problems of the nuclear age 
U1  - 321.03 21
PY  - 1959///)
CY  - New York
PB  - Scribner
KW  - COOPERACIÓN INTERNACIONAL
KW  - IMPERIALISMO
ER  -