author = { Lancaster, Kelvin },

title = { Competition and Product Variety },

publisher = {University of Chicago Press},

isbn = {0021-9398},

isbn = {1537-5374},

keywords = { Statistics, Probability and Uncertainty , Economics and Econometrics , Business and International Management },

year = {1980},

url = { http://slubdd.de/katalog?TN_libero_mab2 }