9R Alexy and R. Dreier, Statutory Interpretation in the Federal Republic of Ger many;Robert S. Summers, Statutory Interpretation in the United State, in Neil MacCormick and Robert S. Summers ( eds. ) , Interpreting Statutes: A Comparative Study, Dartmouth, 1991.
10Karl N Llewellyn, Remarks on the Theory of Appellate Decision, 50 Vanderbilt Law Review, pp. 401 - 406.