The Bell System Technical Journal
The Bell System Technical Journal > 1929 > 8 > 2 > 391 - 428
The Bell System Technical Journal > 1929 > 8 > 2 > 267 - 285
The Bell System Technical Journal > 1929 > 8 > 2 > 429 - 432
The Bell System Technical Journal > 1929 > 8 > 2 > 257 - 266
The Bell System Technical Journal > 1929 > 8 > 2 > 217 - 224
The Bell System Technical Journal > 1929 > 8 > 2 > 225 - 242
The Bell System Technical Journal > 1929 > 8 > 2 > 286 - 308
The Bell System Technical Journal > 1929 > 8 > 2 > 243 - 256
The Bell System Technical Journal > 1929 > 8 > 2 > 368 - 390
The Bell System Technical Journal > 1929 > 8 > 2 > 309 - 367