@article{A Little2013, author = "Duncan A Little and Jonathan Tennyson", title = "{Edlén plots for m ^{1}B_{2u} symmetry: (a) effective quantum numbers calculated relative to the ground state, m X:^1Sigma _g^+; (b) relative to the first excited state A 2Πu}", year = "2013", month = "6", url = "https://iop.figshare.com/articles/figure/_Edl_n_plots_for_span_class_inline_eqn_span_class_tex_span_class_texImage_img_src_http_ej_iop_org_im/1012122", doi = "10.6084/m9.figshare.1012122.v1" }