# Q137667741
**Wikidata**: [Q137667741](https://www.wikidata.org/wiki/Q137667741)  
**Source**: https://4ort.xyz/entity/q137667741


## References

1. [Source](https://centrodeestudiosmontaneses.com/wp-content/uploads/DOC_CEM/BIBLIOTECA/EDICION_OTROS/ferrocarril-alar-santander_2015.pdf)
2. [Source](https://www.caminoscastillayleon.es/wp-content/uploads/2020/01/Efem%C3%A9rides-2020-Ingenier%C3%ADa-Civil.pdf)