Effect of ground permeability on ground return circuits /
| Hlavní autor: | |
|---|---|
| Typ dokumentu: | Kniha |
| Jazyk: |
angličtina |
| Vydavatel: |
New York :
Bell Telephone Laboratories,
1931.
|
| Edice: |
Bell Telephone System technical publications. Monograph ;
B-571 (July 1931) |
|
|