Atoyan, G. S.Appel, R.Bassalleck, B.Bergman, D. R.Pislak, S.2004-12-032004-12-0320012001http://hdl.handle.net/2003/171810.17877/DE290R-11492enThe American Physical SocietyPhysical Review Letters530New Measurement of K+e4 Decay and the s-Wave pipi-Scattering Length a0010.1103/PhysRevLett.87.221801article (journal)