Cooling rate dependence of the in-plane magnetic penetration depth in κ -type BEDT-TTF superconductors N. Yoneyama, A. Higashihara, T. Sasaki, T. Nojima et N. Kobayashi J. Phys. IV France, 114 (2004) 401-402 DOI: 10.1051/jp4:2004114097