Usefull links
- Unit convertion: http://www.convertworld.com/pl/
- Polish National Bank currency exchange rates: http://www.nbp.pl/home.aspx?f=/statystyka/kursy.html
- Google maps: https://www.google.pl/maps
- General Polish Forwarding Conditions 2010 (Polish version only): http://www.pisil.pl/images/artykuly/2008/OPWS_2010.pdf