Isotope effect in the organic superconductor βH-(BEDT-TTF)2I3 where BEDT-TTF is bis (ethylenedithiotetrathiafulvalene) P. Auban-Senzier, C. Bourbonnais, D. Jérome, C. Lenoir, P. Batail, E. Canadell, J. P. Buisson et S. LefrantJ. Phys. I France, 3 3 (1993) 871-885DOI: https://doi.org/10.1051/jp1:1993169