@article{BoehmerDoerrenbaecherFringsetal.1996,
  author    = {Volker B{\"o}hmer and Ralph D{\"o}rrenb{\"a}cher and Michael Frings and Matthias Heydenreich and Diana DePaoli and Walter Vogt and George Ferguson and Iris Thondorf},
  title     = {Annelated calixarenes composed of Calix[4]arenes with hydroxy groups in the endo and exo position},
  year      = {1996},
}