Schweitzer, Dieter Department of Molecular Physics, Max Planck Institute for Medical Research, Max Planck Society;
https://www.tandfonline.com/doi/abs/10.1080/00268948508075181?needAccess=true#aHR0cHM6Ly93d3cudGFuZGZvbmxpbmUuY29tL2RvaS9wZGYvMTAuMTA4MC8wMDI2ODk0ODUwODA3NTE4MT9uZWVkQWNjZXNzPXRydWVAQEAw (beliebiger Volltext)
https://doi.org/10.1080/00268948508075181 (beliebiger Volltext)
Schwenk, H., Gross, F., Heidmann, C.-P., Andres, K., Schweitzer, D., & Keller, H. (1985). α- And β-(Bedt-TTF)2I3 – two modifications with contrasting groundstate properties: insulator and volume superconductor. Molecular Crystals and Liquid Crystals, 119(1), 329-335. doi:10.1080/00268948508075181.