@Article{	  DiekertK16,
  author	= "Diekert, Volker and Kausch, Jonathan",
  title		= "Logspace Computations in Graph Products",
  journal	= "Journal of Symbolic Computation",
  issue_date	= "July 2016",
  volume	= "75",
  number	= "C",
  month		= "7",
  year		= "2016",
  issn		= "0747-7171",
  pages		= "94--109",
  numpages	= "16",
  url		= "http://dx.doi.org/10.1016/j.jsc.2015.11.009",
  doi		= "10.1016/j.jsc.2015.11.009",
  acmid		= "2895926",
  publisher	= "Academic Press, Inc.",
  address	= "Duluth, MN, USA",
  keywords	= "Algorithmic group theory, Conjugacy problem, Geodesics,
		  Graph products, Logspace complexity, Word problem"
}