IMRAN, M.; IKRAM, M.; ISLAM, R. U.; ANWAR, M.; TARIQ, H.; AHMAD, M. Development Operation and Characterization of Cesium Beam Atomic Clock. The Nucleus, [S. l.], v. 57, n. 2, p. 49–55, 2020. Disponível em: http://www.thenucleuspak.org.pk/index.php/Nucleus/article/view/526. Acesso em: 23 apr. 2024.