KARKEY, Bishnu Bahadur. Tissot Indicatrix: A Means to Map Distortion Analysis. Journal on Geoinformatics, Nepal, [S. l.], v. 6, n. 1, p. 117–120, 2007. DOI: 10.3126/njg.v6i1.51236. Disponível em: https://www.nepjol.info/index.php/NJG/article/view/51236. Acesso em: 8 dec. 2025.