Büttner, H.Chen, ShuVoit, J.2004-12-032004-12-0320012001http://hdl.handle.net/2003/87910.17877/DE290R-10765enThe American Physical SocietyPhysical Review Letters530Phase Diagram of an Asymmetric Spin Ladder10.1103/PhysRevLett.87.087205article (journal)