@inproceedings{Ketzer:2012hT, author = "Ketzer, Bernhard", title = "{Hybrid mesons}", doi = "10.22323/1.157.0025", booktitle = "Proceedings of Sixth International Conference on Quarks and Nuclear Physics {\textemdash} PoS(QNP2012)", year = 2012, volume = "157", pages = "025" }