„Tree Shape and Branch Structure: Mathematical Models“, Math. Comput. For. Nat. Res. Sci., sv. 4, izd. 1, str. Pages: 2–15 (14), velj. 2012, Pristupljeno: lis. 31, 2026. Dostupno na: https://tmp.mcfns.com/index.php/Journal/article/view/MCFNS.4%3A2