Time and Frequency Activities at the JHU Applied Physics Laboratory
1958 ◽
Vol 38
(7-8)
◽
pp. 334-334
1990 ◽
Vol 37
(12)
◽
pp. 1131
2014 ◽
Vol 136
(4)
◽
pp. 2199-2199
Keyword(s):
2004 ◽
Vol 1017
(1)
◽
pp. 267-306