@Article{KKato,
  author =       {Kazuya Kato},
  title =        {Logarithmic Structures of Fontaine-Illusie, in:Algebraic Analysis, Geometry, and Number Theory\textit{(Baltimore,MD,1988)}},
  journal =      "Johns Hopkins Univ.Press, Baltimore, MD",
  year =         {1989},
  volume =    {},
  number =    {},
  month =     {},
  pages =     {191-224},
  note =      {},
  annote =    {}
}

@Article{ToricSing,
  author =       {Kazuya Kato},
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  year =         {1994},
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  annote =    {}
}

@book{Ogus,
   title = "Lectures on logarithmic algebraic geometry",
   author = "Arthur Ogus",
   publisher = "TeXed notes",
   year = "2001"
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@book{EGA_IV,
   title = "\'El\'ements de g\'eom\'etrie alg\'ebrique IV",
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   year = "1964"
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@Article{LogCot,
  author =       {Martin C. Olsson},
  title =        {The logarithmic cotangent complex},
  journal =      "Math. Ann.",
  year =         {2005},
  volume =    {333},
  number =    {},
  month =     {},
  pages =     {859-931},
  note =      {},
  annote =    {}
}