https://www.npaid.org/files/Mine-action-and-disarmarment/Clearing_the_Mines_2025.pdf
http://www.reineu2016.eu/system/reineu2016/files/REinEU2016.pdf?1477674044
http://www.euronews.com/2017/05/29/divisions-of-poland-s-new-defence-strategy?utm_source=newsletter&utm_medium=en&utm_content=divisions-of-poland-s-new-defence-strategy&_ope=eyJndWlkIjoiZjU3Y2JhYmUwMGUxZDFiNTUxOTU1ZDljNzExNTI1MmEifQ==
http://www.pircenter.org/en/news/6973-1224507