% Encoding: UTF-8

@Unpublished{andrew,
  Title                    = {Quadcopter Dynamics and Simulation},
  Author                   = {Andrew Gibiansky},

  Month                    = nov,
  Year                     = {2012},

  Url                      = {http://andrew.gibiansky.com/downloads/pdf/Quadcopter%20Dynamics,%20Simulation,%20and%20Control.pdf}
}

%some more sources ...


@Article{trawny2005indirect,
  author  = {Trawny, Nikolas and Roumeliotis, Stergios I},
  title   = {Indirect Kalman filter for 3D attitude estimation},
  journal = {University of Minnesota, Dept. of Comp. Sci. & Eng., Tech. Rep},
  year    = {2005},
  volume  = {2},
  pages   = {2005},
}

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Package bibtopic Warning: Ignoring `bibliography' command
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This is BibTeX, Version 0.99d (MiKTeX 2.9.6100 64-bit) The top-level auxiliary file: QuadrocopterBA.aux The style file: plain.bst I found no bibdata command---while reading file QuadrocopterBA.aux Warning--I didn't find a database entry for "euleranglepic"