| Key Title | AT and T Bell Laboratories Record : devoted to research development in the field of communications |
|---|---|
| Publisher | American Telephone and Telegraph CompanyCo., Bell Laboratories |
| Language | |
| Country | |
| Place | Short Hills |
| Publication Date | 1925 |
| Topics | COMMUNICATIONS |
| ISSN | |
| Dewey | 621.38 |
| University | PUNE_411007 |