# Q109851800
**Wikidata**: [Q109851800](https://www.wikidata.org/wiki/Q109851800)  
**Source**: https://4ort.xyz/entity/q109851800


## References

1. Swedish list of lights. 1978
2. [notice to mariners. 2016](https://www-o.sjofartsverket.se/UfsPdf/618SV.pdf)
3. NGA List of Lights, Radio Aids and Fog Signals. 2015
4. [Fyrwiki](https://fyr.org/wiki/index.php/B%C3%A4ckviken)