RT Book T1 The phenomenon of revolution A1 Hagopian, Mark N. LA English PP New York PB Dodd, Mead & Co. YR 1974 UL https://krimdok.uni-tuebingen.de/Record/038885387 CN HM281 SN 039606938X K1 Revolutions K1 Revolution : Theorie K1 Revolution : Geschichte K1 Revolution