Neutrino masses, neutral vector bosons and the scale of B - L breaking Buchmüller, Wilfried Greub, Christoph Minkowski, P. 1991 - DESY EPflicht - frei zugänglich
Effects of heavy majorana neutrinos and neutral vector bosons on electroweak observables Buchmüller, Wilfried Greub, Christoph Kohrs, Hans-Günter 1991 - DESY EPflicht - frei zugänglich