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@Book{            Fraisse:Book:2000,
  Author        = "Fraisse, Roland",
  date-added    = "2020-04-29 11:07:54 +0200",
  date-modified = "2020-04-29 11:08:15 +0200",
  Edition       = "Rev. ed",
  ISBN          = "9780444505422,0444505423",
  Publisher     = "Elsevier",
  Series        = "Studies in Logic and the Foundations of Mathematics 145",
  Title         = "Theory of Relations",
  URL           = "http://gen.lib.rus.ec/book/index.php?md5=e787dbc2eb667188f7fdbc8464d4ec49",
  Year          = "2000",
  bdsk-url-1    = "http://gen.lib.rus.ec/book/index.php?md5=e787dbc2eb667188f7fdbc8464d4ec49",
  File          = "Theory of Relations by Roland Fraisse (z-lib.org) - a.djvu",
  file-2        = "Theory of Relations by Roland Fraisse (z-lib.org) - a - a.pdf"
}

@Book{ Fraisse:Book:2000, Author = "Fraisse, Roland", date-added = "2020-04-29 11:07:54 +0200", date-modified = "2020-04-29 11:08:15 +0200", Edition = "Rev. ed", ISBN = "9780444505422,0444505423", Publisher = "Elsevier", Series = "Studies in Logic and the Foundations of Mathematics 145", Title = "Theory of Relations", URL = "http://gen.lib.rus.ec/book/index.php?md5=e787dbc2eb667188f7fdbc8464d4ec49", Year = "2000", bdsk-url-1 = "http://gen.lib.rus.ec/book/index.php?md5=e787dbc2eb667188f7fdbc8464d4ec49", File = "Theory of Relations by Roland Fraisse (z-lib.org) - a.djvu", file-2 = "Theory of Relations by Roland Fraisse (z-lib.org) - a - a.pdf" }