@article{BrechtLiuWangetal.2021,
  author    = {Marc Brecht and Quan Liu and Liangxuan Wang and Juan Carlos Roldao and Pierre-Michel Adam and Johannes Gierschner and Frank Wackenhut and Alfred Meixner},
  title     = {Theoretical and experimental evidence of two-step tautomerization in hypericin},
  journal   = {Advanced photonics research},
  volume    = {2},
  number    = {6},
  doi       = {10.1002/adpr.202000170},
  year        = {2021},
}