@article{KleinpeterGrotjahnKlinkaetal.2001,
  author    = {Erich Kleinpeter and Manuela Grotjahn and Karel D. Klinka and Hans-Joachim Drexler and Hans-J{\"u}rgen Holdt},
  title     = {Conformational and complexational study of some maleonitrile mixed oxadithia crown ethers by NMR spectroscopy and molecular modelling},
  year      = {2001},
}