@article{KleinpeterThomasFischer1995,
  author    = {Kleinpeter, Erich and Thomas, Steffen and Fischer, G.},
  title     = {13C and 15N NMR study of 1,2,4-Triazolo[1,5-a]pyrimidines with one tautomerism-introducing substituent},
  year      = {1995},
  language  = {en}
}
@article{KleinpeterKochFischeretal.1997,
  author    = {Kleinpeter, Erich and Koch, Andreas and Fischer, G. and Askolin, C.-P.},
  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},
  language  = {en}
}