Some observations of machine tunnelling at the Kielder Aqueduct
| Autor principal: | |
|---|---|
| Otros Autores: | , | 
| Formato: | Libro | 
| Lenguaje: | English | 
| Publicado: | Crowthorne, Berk.
          Transport and Road Research Laboratory
    
        1979. | 
| Colección: | Supplementary report - Transport and Road Research Laboratory
              532 |