[Tex/LaTex] German Umlauts in BibTeX

accentsbibtexcharactersinput-encodings

I have the following BibTeX source

@INPROCEEDINGS{Lincke2008,
  author = {Rüdiger Lincke and Jonas Lundberg and Welf Löwe},
  title = {Comparing software metrics tools.},
  booktitle = {ISSTA},
  year = {2008},
  editor = {Barbara G. Ryder and Andreas Zeller},
  pages = {131-142},
  publisher = {ACM},
  added-at = {2008-08-04T00:00:00.000+0200},
  biburl = {http://www.bibsonomy.org/bibtex/2c28c4fff6d811b643940228935a20e28/dblp},
  crossref = {conf/issta/2008},
  date = {2008-08-04},
  description = {dblp},
  ee = {http://doi.acm.org/10.1145/1390630.1390648},
  interhash = {69e9d6ded70716bc2bb9319abfbb015f},
  intrahash = {c28c4fff6d811b643940228935a20e28},
  isbn = {978-1-60558-050-0},
  keywords = {dblp},
  url = {http://dblp.uni-trier.de/db/conf/issta/issta2008.html#LinckeLL08}
}

I'm managing my BibTeX items with JabRef. Now if I want to cite this item and while generating the PDF i get the following error:

! Package inputenc Error: Keyboard character used is undefined
(inputenc)                in inputencoding `utf8x'.

See the inputenc package documentation for explanation.
Type  H <return>  for immediate help.
 ...                                              

l.29 R�
       diger Lincke, Jonas Lundberg, and Welf L�we.

I think the problem is the character ö. How can I avoid that? I also had similar problem with the character é.

Best Answer

Instead of actually entering the ö and é characters in your source, type \"{o} and \'{e}.

Or rather: Yrjö Engeström as {Yrj{\"o} Engestr{\"o}m}.

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