TY  - BOOK
AU  - O´Donnell,Guillermo; Schmitter,Philippe C; Whitehead,Laurence
TI  - Transitions From Authoritarian Rule: Comparatives
SN  - 0-8018-3192-X
PY  - 1988///
CY  - Baltimore, Estados Unidos de América
PB  - The Johns Hopkins University Press, 
ER  -