@article{Muller2017, author = "H.G. Muller", title = "{Media 5: Coulomb focusing in resonant production of super-ponderomotive photo-electrons from helium}", year = "2017", month = "4", url = "https://opticapublishing.figshare.com/articles/media/Media_5_Coulomb_focusing_in_resonant_production_of_super-ponderomotive_photo-electrons_from_helium/4953086", doi = "10.1364/OE.8.000086.m005" }