@article{marmugi2018plb, title = "Coherent gamma photon generation in a Bose–Einstein condensate of 135mCs", journal = "Physics Letters B", volume = "777", pages = "281 - 285", year = "2018", issn = "0370-2693", doi = "https://doi.org/10.1016/j.physletb.2017.12.036", url = "http://www.sciencedirect.com/science/article/pii/S0370269317310134", author = "Luca Marmugi and Philip M. Walker and Ferruccio Renzoni", keywords = "Gamma-ray lasers, Decay isomer, Bose–Einstein condensates" }