The Bell System Technical Journal > 1929 > 8 > 2 > 257 - 266
Source
Abstract
Identifiers
journal ISSN : | 0005-8580 |
DOI | 10.1002/j.1538-7305.1929.tb00357.x |
The Bell System Technical Journal > 1929 > 8 > 2 > 257 - 266
journal ISSN : | 0005-8580 |
DOI | 10.1002/j.1538-7305.1929.tb00357.x |