„Alternative Method for Determining Trunk Diameter at Different Heights on a Standing Tree“, Math. Comput. For. Nat. Res. Sci., Bd. 15, Nr. 2, S. 33–41(9), Okt. 2023, Zugegriffen: Sep. 08, 2026. Verfügbar unter: https://tmp.mcfns.com/index.php/Journal/article/view/15.5