Shell evolution approaching the N=20 island of inversion: Structure of 26Na oleh G.L. Wilson, W.N. Catford, N.A. Orr, C.Aa. Diget, A. Matta, G. Hackman, S.J. Williams, I.C. Celik, N.L. Achouri, H. Al Falou, R. Ashley, R.A.E. Austin, G.C. Ball, J.C. Blackmon, A.J. Boston, H.C. Boston, S.M. Brown, D.S. Cross, M. Djongolov, T.E. Drake, U. Hager, S.P. Fox, B.R. Fulton, N. Galinski, A.B. Garnsworthy, D. Jamieson, R. Kanungo, K.G. Leach, J.N. Orce, C.J. Pearson, M. Porter-Peden, F. Sarazin, E.C. Simpson, S. Sjue, D. Smalley, C. Sumithrarachchi, S. Triambak, C. Unsworth, R. Wadsworth