@article{KleinpeterHolzberger2006,
  author    = {Erich Kleinpeter and Anja Holzberger},
  title     = {Structure, intramolecular flexibility, and complexation of aza crown ethers to anions H2PO4- and HSO4- in nonprotic solvents},
  journal   = {Tetrahedron},
  volume    = {62},
  number    = {43},
  pages     = {10237 -- 10247},
  doi       = {10.1016/j.tet.2006.07.074},
  url       = {https://www.sciencedirect.com/science/article/abs/pii/S0040402006012130},
  year      = {2006},
}