N. Kraus

Search for the decay mu+ --> e+e+e- and the measurement of the decay mu+ --> e+e+e- upsiloe upsilomu with the SINDRUM spectrometer

C. Grab, C. Niebuhr, H. Pruys, 1985 .

Measurement of the decay π+→e+νee+e− and search for a light Higgs boson

C. Grab, C. Niebuhr, H. Pruys, 1989 .

First observation of the decay π+ → e+νe+e− and a determination of the form factors FV, FA, R☆

C. Grab, C. Niebuhr, H. Pruys, 1986 .

Limits for short-lived neutral particles emitted in μ+ or π+ decay

C. Grab, C. Niebuhr, H. Pruys, 1986 .