Automatic high precision audio frequency power standard
1990 ◽
Vol 39
(3)
◽
pp. 547-549
1954 ◽
Vol AU-2
(2)
◽
pp. 49-60
◽
1961 ◽
Vol 108
(39)
◽
pp. 327
◽
Keyword(s):
1955 ◽
Vol 102
(2)
◽
pp. 202-203