Phase diagram of magnetic-field-induced superconductor λ -(BETS)2FeCl4-xBrx S. Uji, S. Yasuzuka, H. Tanaka, M. Tokumoto, B. Zhang, H. Kobayashi, E.S. Choi, D. Graf and J.S. Brooks J. Phys. IV France, 114 (2004) 391-392 DOI: 10.1051/jp4:2004114093