A Comparison of Various Alkali Gas Cell Atomic Frequency Standards
1987 ◽
Vol 34
(6)
◽
pp. 607-611
◽
1992 ◽
Vol 39
(2)
◽
pp. 232-240
◽
1984 ◽
Vol 131
(2)
◽
pp. 94
◽
1961 ◽
Vol 75
(9)
◽
pp. 3-59
◽