GRANZIERA JUNIOR, F.; LOPES, R. V. da F.; TOSIN, M. C. The attitude determination problem from two reference vectors- a description of the triad algorithm and its attitude covariance matrix. Semina: Ciências Exatas e Tecnológicas, [S. l.], v. 28, n. 1, p. 21–36, 2007. DOI: 10.5433/1679-0375.2007v28n1p21. Disponível em: https://ojs.uel.br/revistas/uel/index.php/semexatas/article/view/1881. Acesso em: 9 may. 2024.