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The 5 references without a DOI — listed, not checked
no DOI — not checkedCook P. J. andClotfelter C. T., “The Peculiar Scale Economies of Lotto”,American Economic Review, 1993,83, pp. 634–43.
no DOI — not checkedForrest D. et al., “Time Series Modeling of Lotto Demand”, in L.V. Williams, ed.,The Economics of Betting, London: Routledge, 2002, pp. 182–203 (page numbers in the text refer to the original manuscript).
no DOI — not checkedIdentity of Lotto, retrieved December 2005 from http://www.opap.gr/custPages.fds? Pagecode=06.02.01&langid=2
no DOI — not checkedSaetershagen R.B., “What is Good Marketing?”,World Lottery Forum, Granada, Spain, October 2003, pp.6–10.
no DOI — not checkedWooldridge J.M.,Econometric Analysis of Cross Section and Panel Data., Cambridge MA: MIT Press, 2002.
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