The Bell System Technical Journal
The Bell System Technical Journal > 1974 > 53 > 1 > 1 - 18
The Bell System Technical Journal > 1974 > 53 > 1 > 107 - 132
The Bell System Technical Journal > 1974 > 53 > 1 > 71 - 106
The Bell System Technical Journal > 1974 > 53 > 1 > 19 - 69
The Bell System Technical Journal > 1974 > 53 > 1 > 133 - 154
The Bell System Technical Journal > 1974 > 53 > 1 > 155 - 170