Misevičius, Gintautas, et al. “An Investigation of the Damage of Polygons and Surrounding Forests Caused by the Splinters and Bullets”. Lietuvos Matematikos Rinkinys, vol. 52, no. proc. LMS, Dec. 2011, pp. 262–267, https://doi.org/10.15388/LMR.2011.mk01.