RT Article T1 On a New Algebra of Dichotomous Systems. And its Application to Empirical Social Research JF Theorie, Daten, Methoden SP 13 OP 33 A1 Streitberg, Bernd LA German YR 1992 UL https://krimdok.uni-tuebingen.de/Record/1526074915 SN 3486559451 K1 Dichotome Daten