Jolla Oy, Business Information System (the Finnish National Board of Patents and Registration, and the Finnish Tax Administration), [2012-07-18], (原始内容存档于2012-07-18)
Jolla Oy, Business Information System (the Finnish National Board of Patents and Registration, and the Finnish Tax Administration), [2012-07-18], (原始内容存档于2012-07-18)