00680nam0-22002651i-450-990002620360403321000262036FED01000262036(Aleph)000262036FED0100026203620000920d1966----km-y0itay50------baENGPrice theorydi BainNew YorkJohn Wiley1966trad. da "Barriers to new competition"Bain,Joe Staten106868ITUNINARICAUNIMARCBK9900026203604033214-4-5-TI3388ECAECAPrice theory433878UNINAING01