@inproceedings{Seth:2013OS, author = "Seth, Kamal", title = "{Observation of etab(2S) in Upsilon(2S)\rightarrow gamma etab(2S), etab(2S)\rightarrow hadrons, and Confirmation of etab(1S)}", doi = "10.22323/1.171.0155", booktitle = "Proceedings of Xth Quark Confinement and the Hadron Spectrum {\textemdash} PoS(Confinement X)", year = 2013, volume = "171", pages = "155" }