@Article{wurzel,
  author = {M. Wurzel and C. Schaller and M. Simon and A. Deutsch},
  title = {Cancer cell invasion of brain tissue: guided by a prepattern?},
  journal	= {J. Theor. Medic.},
  volume	= {6},
  number	= {1},
  month		= jan,
  pages		= {21--31},
  year		= {2005},
  keywords	= "bison",
}