@article{HornsbyEgenhofer2000,
  author	= {Hornsby, K. and Egenhofer, M.},
  title		= {Identity-based change: a foundation for spatio-temporal knowledge representation},
  journal	= {International Journal of Geographical Information Science},
  year		= {2000},
  volume	= {14},
  number	= {3},
  pages		= {207--224}
}