RT Article T1 Learning more from tobit coefficients: extending a comparative analysis of political protest JF American sociological review VO 57 IS 4 SP 503 OP 507 A1 Roncek, Dennis W. LA English YR 1992 UL https://krimdok.uni-tuebingen.de/Record/164014093X K1 Dritte Welt K1 Politischer Protest