@article{J Edmonds2013, author = "M J Edmonds and M Valiente and P Ă–hberg", title = "{Lines of constant energy, with z versus}", year = "2013", month = "6", url = "https://iop.figshare.com/articles/figure/_Lines_of_constant_energy_with_em_z_em_versus_img_src_http_ej_iop_org_icons_Entities_phiv_gif_alt_ph/1012070", doi = "10.6084/m9.figshare.1012070.v1" }