@book{
  author = "Platonov, S. F. (Sergeĭ Fedorovich), 1860-1933",
  title = "Лекции по русской истории",
  year: 1993
  key = "Russia--History",
  publisher = ""Высшая школа"",
  address = "Москва",
  series = "Историческое наследие ;",
  ISSN/ISBN = "9785060024999 [5060024997]",
}