Journal article (2008) - S de Schiller, GM Tino, L Lusanna, H Klein, H Margolis, P Lemonde, P Laurent, G Santarelli, A Clairon, W Ertmer, E Rasel, J Muller, C Salomon, L Lorio, C Lämmerzahl, H Dittus, E.K.A. Gill, M Rothacher, F Flechner, U Schreiber, V Flambaum, W-T Ni, Lian Liu, U Sterr, X Chen, J'extern' Chen, K Gao, L Cacciapuoti, R Holzwarth, MP Heß, W Schä fer, E Peik, A Nevsky, A Gorlitz, D. Svehla, G Ferrari, N Poli