M. H. Abishova et al., «Alternative Method for Determining Trunk Diameter at Different Heights on a Standing Tree», Math. Comput. For. Nat. Res. Sci., vol. 15, fasc. 2, pp. 33–41 (9), ott. 2023, Consultato: nov. 04, 2026. Disponibile su: https://mcfns.com/index.php/Journal/article/view/15.5