@Article{409654,
     author = "Krzysztof Wach",
     title = "International Entrepreneurship and the Third Age : The Effect of the Entrepreneur's Age on Internationalisation of Polish Businesses'",
     year =  2014,
     volume =  15,
     number =  11 (1),
     journal =  Przedsiębiorczość i Zarządzanie,
     pages =  s. 65-79,
    }