| 000 | 00352nam a2200097Ia 4500 | ||
|---|---|---|---|
| 008 | 160523s9999 xx 000 0 und d | ||
| 245 | _aInfrastructure Design, Signalling and Security in Railway | ||
| 245 | _cEdited by Xavier Perpinya | ||
| 260 | _c2012 | ||
| 856 | _uhttp://www.intechopen.com/books/infrastructure-design-signalling-and-security-in-railway | ||
| 999 |
_c294868 _d294868 |
||