TY  - BOOK
AU  - Michels, Robert
TI  - Political parties: a sociological study of the oligarchical tendencies of modern democracy
U1  - 329 19
PY  - 1949///
CY  - Estados Unidos
PB  - The Free Press of Glencoe
KW  - Democracia
KW  - OLIGARQUIA
N1  - 4969; 19790; 104436; 5144; 51868; 1697
ER  -