TERRY, Jack; JINNAH, Nabeelah; HOGAN, Aleisha; HENDERSON, Beth. A4_6 Leap Years. Physics Special Topics, [S. l.], v. 17, n. 1, 2018. Disponível em: https://journals.le.ac.uk/index.php/pst/article/view/2972. Acesso em: 21 may. 2025.