Potential employment effects of substituting fibre optic cable for copper wire.
| Autor principal: | |
|---|---|
| Formato: | Livro | 
| Idioma: | English | 
| Publicado em: | Geneva
          International Labour Office
    
        1990. | 
| Colecção: | Working paper / World employment programme research. Technology and employment project
              no.208 | 
| Assuntos: |