Alavi-Harati, A.Alexopoulos, T.Arenton, M.Arisaka, K.Averitte, S.2004-12-142004-12-1420012001http://hdl.handle.net/2003/1879210.17877/DE290R-1552enThe American Physical SocietyPhysical Review Letters530Measurements of the Rare Decay KL --> e+e–e+e–10.1103/PhysRevLett.86.5425article (journal)