[1] https://www.raportroczny2015.pkobp.pl/pkobppl-en/26-investments-securities-held-maturity
[2] https://www.raportroczny2015.pkobp.pl/sites/pko15fin/files/investments_securities_held_to_maturity_1_pkobp.xlsx
[3] https://www.raportroczny2015.pkobp.pl/sites/pko15fin/files/investments_securities_held_to_maturity_2_pkobp.xlsx
[4] https://www.raportroczny2015.pkobp.pl/sites/pko15fin/files/investments_securities_held_to_maturity_3_pkobp.xlsx
[5] https://www.raportroczny2015.pkobp.pl/sites/pko15fin/files/investments_securities_held_to_maturity_4_pkobp.xlsx
[6] https://www.raportroczny2015.pkobp.pl/sites/pko15fin/files/investments_securities_held_to_maturity_5_pkobp.xlsx
[7] https://www.raportroczny2015.pkobp.pl/sites/pko15fin/files/investments_securities_held_to_maturity_6_pkobp.xlsx