Weizsèacker, Carl Christian von Barriers to entry a theoretical treatment C. C. von Weizsèacker - Berlin New York Springer-Verlag 1980 - vi, 220 p ill 25 cm - Lecture notes in economics and mathematical systems 185 . Contine bibliografie ISBN: 0387102728 (U.S. : pbk.) LCCN: 80027896 Subjects--Topical Terms: Barriers to entry (Industrial organization) Dewey Class. No.: 338.6