ČEPEK, A.; PYTEL, J. A Progress Report on Numerical Solutions of Least Squares Adjustment in GNU Project Gama. Acta Polytechnica, Prague, Czech Republic, v. 45, n. 1, 2005. DOI: 10.14311/662. Disponível em: https://ojs.cvut.cz/ojs/index.php/ap/article/view/662. Acesso em: 5 apr. 2025.