@article{A. Alonso2017, author = "Miguel A. Alonso", title = "{Media 9: Wigner functions in optics: describing beams as ray bundles and pulses as particle ensembles}", year = "2017", month = "4", url = "https://opticapublishing.figshare.com/articles/media/Media_9_Wigner_functions_in_optics_describing_beams_as_ray_bundles_and_pulses_as_particle_ensembles/4910840", doi = "10.1364/AOP.3.000272.m009" }