PETRUCHA, V. An Improved Version of the Fluxgate Compass Module. Acta Polytechnica, Prague, Czech Republic, v. 47, n. 4-5, 2007. DOI: 10.14311/954. Disponível em: https://ojs.cvut.cz/ojs/index.php/ap/article/view/954. Acesso em: 22 jan. 2025.