%0 Generic
%D 2008
%T Critical Lines and Massive Phases in Quantum Spin Ladders with Dimerization
%A Javier Almeida  G. Sierra, Martin-Delgado
%C Phys. Rev. B
%I Phys. Rev. B
%P 094415
%U http://arxiv.org/abs/0707.4452
%V 77