Grégoire, G., Knoops, E., Geiregat, D., Favart, D., & et al. (1990). First observation of neutrino trident production. Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics, 245(2), 271-275. https://doi.org/10.1016/0370-2693(90)90146-W (Original work published 1990)