@inproceedings{Guo:2012Tq, author = "Guo, Zhi-Hui and Oller, José Antonio and Ruiz de Elvira, Jacobo", title = "{Recent developments in U(3) \chi PT: meson-meson scattering and finite energy sum rules }", doi = "10.22323/1.157.0066", booktitle = "Proceedings of Sixth International Conference on Quarks and Nuclear Physics {\textemdash} PoS(QNP2012)", year = 2012, volume = "157", pages = "066" }