1986. Method of Unification of Law for the International Sale of Goods, National Report: Czechoslovakia (Topic I.C.1), 12th Congress, International Academy of Comparative Law, Sydney/Melbourne (18-26 Aug. 1986), in: Knapp ed., Travaux de Droit Comparé, Prague: Institut de l'Etat et du Droit de l'Académie Tchécoslovaque, No. 7 (1986) 26-44