@ctan{countriesofeurope,
title = {The Countriesofeurope package},
subtitle = {A font with the images of the countries of Europe},
author = {Zimmermann, Ingo and Voß, Herbert and Niepraschk, Rolf},
url = {http://www.ctan.org/pkg/countriesofeurope},
urldate = {2019-10-203}, 
date = {2019-10-03},
version = {0.23}
}

@online{ingofonts,
title={Fonts and typography that leave a mark},
author={Ingo Zimmermann},
url={http://www.ingoFonts.de},
urldate = {2019-10-03}, 
note={for corporate design, promotion, web, publishing. Buy fonts directly from the maker. At ingoFonts you’ll find fonts of all styles, 
    including free test versions of all fonts to download and try out.},
}