@article{LiuWackenhutWangetal.2021,
  author    = {Quan Liu and Frank Wackenhut and Liangxuan Wang and Otto Hauler and Juan Carlos Roldao and Pierre-Michel Adam and Marc Brecht and Johannes Gierschner and Alfred Meixner},
  title     = {Direct observation of structural heterogeneity and tautomerization of single hypericin molecules},
  journal   = {The journal of physical chemistry letters},
  volume    = {12},
  number    = {3},
  pages     = {1025 -- 1031},
  doi       = {10.1021/acs.jpclett.0c03459},
  year        = {2021},
}