Queijeiro, A., and J. García. “Effects of an Anomalous W-Bosson Weak Electric Dipole Moment in Fifi->W+-Z0”. Revista Mexicana De Física, vol. 41, no. 6, Jan. 1994, pp. 796-0, https://rmf.smf.mx/ojs/index.php/rmf/article/view/2534.