Koch, P. Max Planck Institute for Medical Research, Max Planck Society;
Schweitzer, Dieter Department of Molecular Physics, Max Planck Institute for Medical Research, Max Planck Society;
https://www.tandfonline.com/doi/abs/10.1080/00268948208073672?needAccess=true#aHR0cHM6Ly93d3cudGFuZGZvbmxpbmUuY29tL2RvaS9wZGYvMTAuMTA4MC8wMDI2ODk0ODIwODA3MzY3Mj9uZWVkQWNjZXNzPXRydWVAQEAw (Any fulltext)
https://doi.org/10.1080/00268948208073672 (Any fulltext)
Koch, P., Schweitzer, D., Harms, R. H., Keller, H. J., Schäfer, H., Helberg, H. W., et al. (1982). Highly conducting perylene radical salts. Molecular Crystals and Liquid Crystals, 86(1), 87-101. doi:10.1080/00268948208073672.