Register equipment for a time-division-multiplex electronic telephone exchange
1960 ◽
Vol 107
(20S)
◽
pp. 219
◽
1963 ◽
Vol 82
(4)
◽
pp. 455-464
1980 ◽
Vol 28
(8)
◽
pp. 1219-1228
◽
Transactions of the American Institute of Electrical Engineers Part I Communication and Electronics
◽
1957 ◽
Vol 75
(6)
◽
pp. 780-785
1950 ◽
Vol 38
(11)
◽
pp. 1330-1336
◽
1960 ◽
Vol 107
(20S)
◽
pp. 143
1960 ◽
Vol 107
(20S)
◽
pp. 150
1958 ◽
Vol 4
(41)
◽
pp. 258-259