@article{KleinpeterKochFischeretal.1997,
  author    = {Erich Kleinpeter and Andreas Koch and G. Fischer and C.-P. Askolin},
  title     = {13 C NMR, 15 N NMR and quantum-chemical study of the tautomerism of 2-substituted 5-ME-7-OH-1,2,4-triazolo[1,5- a]pyrimidines},
  year      = {1997},
}