%A HlouĹĄek Miroslav %P 58 %D 2009 %I Universitas Szeged Press %C Szeged %L acta77097 %K NemzetkĂśzi kereskedelem - elĹadĂĄskivonat, ĂrrĂŠs - elĹadĂĄskivonat %T Extensive margin in international trade : empirical analysis for Visegrad countries : [absztrakt] %J Challenges for Analysis of the Economy, the Businesses, and Social Progress : abstract book