The Bell System Technical Journal
The Bell System Technical Journal > 1976 > 55 > 5 > 607 - 636
The Bell System Technical Journal > 1976 > 55 > 5 > 663 - 680
The Bell System Technical Journal > 1976 > 55 > 5 > 565 - 595
The Bell System Technical Journal > 1976 > 55 > 5 > 537 - 564
The Bell System Technical Journal > 1976 > 55 > 5 > 511 - 535
The Bell System Technical Journal > 1976 > 55 > 5 > 597 - 606
The Bell System Technical Journal > 1976 > 55 > 5 > 503 - 509
The Bell System Technical Journal > 1976 > 55 > 5 > 637 - 661