Optics CommunicationsMultistability in a sodium filled Fabry-Perot: D1 line, hyperfine and Zeeman pumpingGiovanni Giusfredi, P. Salieri, S. Cecchi, F. T. ArecchiPublished May 1, 1985• 22 citationsPublisherDOI10.1016/0030-4018(85)90130-0