@book{ AA00181206,
  editor    = "Commission of the European Communities. Directorate-General for Economic and Financial Affairs and Commission of the European Communities",
  title     = "European economy. Supplement-series B, Economic prospects-business survey results",
  publisher = "Office for Official Publications of the European Communities",
  year      = "1979",
  URL       = "https://ci.nii.ac.jp/ncid/AA00181206"
}