"V. Matveev" . "A. Yagil" . . . "J.C. Gabriel" . "J.A. McKenna" . "D. Coppage" . "A. Walther" . "K.R. Schubert" . "H.C.J. Seywerd" . "An improved upper limit on the \u03BD\u03C4-mass from the decay \u03C0\u2212\u2192\u03C0\u2212\u03C0\u2212\u03C0\u2212\u03C0+\u03C0+\u03BD\u03C4"@nl . "J.D. Swain" . "1" . "S. Kanekal" . "R. Waldi" . "\u043D\u0430\u0443\u043A\u043E\u0432\u0430 \u0441\u0442\u0430\u0442\u0442\u044F, \u043E\u043F\u0443\u0431\u043B\u0456\u043A\u043E\u0432\u0430\u043D\u0430 \u0432 \u043B\u044E\u0442\u043E\u043C\u0443 1988"@uk . "K.W. McLean" . "R.C. Fernholz" . . . "V. Shevchenko" . . "D.J. Gilkinson" . "wetenschappelijk artikel"@nl . . "R. Gl\u00E4ser" . "S. Ball" . "A. Babaev" . "H. Kapitza" . "F. Sefkow" . "B. Spaan" . . "W. Schmidt-Parzefall" . "T.-S. Yoon" . "D. Wegener" . "im Februar 1988 ver\u00F6ffentlichter wissenschaftlicher Artikel"@de . . "V. Ryltsov" . . "R. Childers" . . "A.W. Nilsson" . "A. Drescher" . . "T. Ruf" . "J.D. Prentice" . . . . "An improved upper limit on the \u03BD\u03C4-mass from the decay \u03C0\u2212\u2192\u03C0\u2212\u03C0\u2212\u03C0\u2212\u03C0+\u03C0+\u03BD\u03C4"@nl . . . . . . . "An improved upper limit on the \u03BD\u03C4-mass from the decay \u03C0\u2212\u2192\u03C0\u2212\u03C0\u2212\u03C0\u2212\u03C0+\u03C0+\u03BD\u03C4"@nl . . . . . . . "P.M. Patel" . "H.D. Schulz" . . . . . . . . "M. Danilov" . . . . "B. Bo\u0161tjan\u010Di\u010D" . . . . . "J.C. Yun" . . "R. Wurth" . . . . "An improved upper limit on the \u03BD\u03C4-mass from the decay \u03C0\u2212\u2192\u03C0\u2212\u03C0\u2212\u03C0\u2212\u03C0+\u03C0+\u03BD\u03C4"@en . . . "K. Strahl" . "V. Tchistilin" . "J. Stiewe" . "10.1016/0370-2693(88)90870-2" . "P. B\u00F6ckmann" . "H. Albrecht" . "N. Kwak" . . "H. Scheck" . . . . . . . "V. Soloshenko" . . . . . . "Y. Oku" . . . . "J.P. Donker" . "An improved upper limit on the \u03BD\u03C4-mass from the decay \u03C0\u2212\u2192\u03C0\u2212\u03C0\u2212\u03C0\u2212\u03C0+\u03C0+\u03BD\u03C4"@en . "V. Lubimov" . . "R. Davis" . . "A. Golutvin" . "B. Fominykh" . . "P. Padley" . . . . . . . "R.D. Appuhn" . "M. Sch\u00E4fer" . "P.C.H. Kim" . . "C.W. Darden" . . "Yu. Zaitsev" . "D. Kamp" . "G. Harder" . "A. Semenov" . . . . . . . . . . "A. Kr\u00FCger" . . . . . . "A. Nippe" . . . "I. Tichomirov" . . . . . . . . . "An improved upper limit on the \u03BD\u03C4-mass from the decay \u03C0\u2212\u2192\u03C0\u2212\u03C0\u2212\u03C0\u2212\u03C0+\u03C0+\u03BD\u03C4"@en . . . . . "An improved upper limit on the \u03BD\u03C4-mass from the decay \u03C0\u2212\u2192\u03C0\u2212\u03C0\u2212\u03C0\u2212\u03C0+\u03C0+\u03BD\u03C4"@en . . "202" . "U. Binder" . "K.W. Edwards" . . "G. Schweda" . "U. Matthiesen" . . "art\u00EDculu cient\u00EDficu"@ast . "W.R. Frisken" . "J. Spengler" . "1988-02-01T00:00:00Z"^^ . "G. Kernel" . "149-153" . "R. Ammar" . "D.B. Macfarlane" . "L. J\u00F6nsson" . .