Odnośniki
[1] https://archiwumbip.urpl.gov.pl/sites/default/files/20171204%20og%C5%82oszenie%20o%20zam%C3%B3wieniu.pdf
[2] https://archiwumbip.urpl.gov.pl/sites/default/files/20171204%20DWZ%20us%C5%82ugi%20pocztowe.pdf
[3] https://archiwumbip.urpl.gov.pl/sites/default/files/20171206%20zmiana%20tre%C5%9Bci%20DWZ.pdf
[4] https://archiwumbip.urpl.gov.pl/sites/default/files/20171211%20wyja%C5%9Bnienie%20tre%C5%9Bci%20DWZ.pdf
[5] https://archiwumbip.urpl.gov.pl/sites/default/files/20171211%20DWZ%20aktualne%20formularze%20ofertowe.doc
[6] https://archiwumbip.urpl.gov.pl/sites/default/files/20180102%20Informacja%20o%20udzieleniu%20zam%C3%B3wieniu%20%281%29.pdf