First measurements of yrast excitations in 137I and the missing 12+ isomer in 136Te A. Korgul, W. Urban, T. Rząca-Urban, M. Górska, J.L. Durell, M.J. Leddy, M.A. Jones, W.R. Phillips, A.G. Smith, B.J. Varley et al. (5 more) Eur. Phys. J. A, 12 2 (2001) 129-133 Published online: 15 October 2001 DOI: 10.1007/s100500170018