Authors: R Eichler; N V Aksenov; A V Belozerov; G A Bozhikov; V I Chepigin; S N Dmitriev; R Dressler; H W Gäggeler; V A Gorshkov; F Haenssler; M G Itkis; A Laube; V Ya Lebedev; O N Malyshev; Yu Ts Oganessian; O V Petrushkin; D Piguet; P Rasmussen; S V Shishkin; A V Shutov; A I Svirikhin; E E Tereshatov; G K Vostokin; M Wegrzecki; A V Yeremin Journal: Nature Date: 2007-05-03 Impact factor: 49.962