@book{
  author = "岩波書店編集部",
  title = "Kagaku no ziten",
  year: 1964
  month: 7
  key = "自然科学--辞書",
  key = "科学--辞書",
  key = "Science--Encyclopedias",
  publisher = "岩波書店",
  address = "東京",
  edition = "第2版",
}