Bruder, L., Eisfeld, A., Bangert, U., Binz, M., Jakob, M., Uhl, D., Schulz-Weiling, M., Grant, E. R., & Stienkemeier,
F. (2019). Delocalized excitons and interaction effects in extremely dilute thermal
ensembles. Physical Chemistry Chemical Physics, 21(5),
2276-2282. doi:10.1039/c8cp05851b.