@article{Delbart:2016SU, author = "Delbart, Alain", title = "{HARPO, TPC as a gamma telescope and polarimeter: First measurement in a polarised photon beam between 1.7 and 74 MeV}", doi = "10.22323/1.236.1016", journal = "PoS", year = 2016, volume = "ICRC2015", pages = "1016" }