GELBUKH, Irina. Realization of a graph as the Reeb graph of a height function on an embedded surface. Topological Methods in Nonlinear Analysis. Online. 25 January 2023. Vol. 61, no. 2, pp. 591 - 610. [Accessed 22 July 2024]. DOI 10.12775/TMNA.2021.058.