@misc{espejo,
  author = {Raul Espejo},
  title = {{Comment on Vitalari}},
  year = {1985},
  booktitle = {Research methods in information systems},
  journal = {Research methods in information systems},
  pages = {259{\textendash}262},
  publisher = {Elsevier Publishers},
  language = {eng},
  key = {espejo},
}