@inproceedings{Hewitson:2007Xl, author = "Hewitson, Martin", title = "{GEO600: building a gravitational wave observatory}", doi = "10.22323/1.021.0031", booktitle = "Proceedings of International Europhysics Conference on High Energy Physics {\textemdash} PoS(HEP2005)", year = 2007, volume = "021", pages = "031" }