@book{
  author = "Baly, E. C. C. (Edward Charles Cyril)",
  title = "Spectroscopy",
  year: 1924
  key = "Spectrum analysis",
  publisher = "Longmans, Green",
  address = "London",
  edition = "3rd ed",
  series = "Textbooks of physical chemistry ;",
  ISSN/ISBN = " (v. 1)",
  ISSN/ISBN = " (v. 2)",
  ISSN/ISBN = " (v. 3)",
  ISSN/ISBN = " (v. 4)",
}