LITTLEJOHNS, Owen; HILL, Kathryn; LAIRD, Ryan. A3_5_Observations of NewX-1(1436+32)_v2. Physics Special Topics, [S. l.], v. 7, n. 2, 2009. Disponível em: https://journals.le.ac.uk/index.php/pst/article/view/998. Acesso em: 23 feb. 2025.