M. Ohzeki, H. Nishimori, и A. Berker. Abstract Book of the XXIII IUPAP International Conference on Statistical Physics, Genova, Italy, (9-13 July 2007)
T. Ropinski, K. Hinrichs, и F. Steinicke. Proceedings of the 4th ISPRS Workshop on Dynamic and Multi-dimensional GIS (DMGIS05), стр. 144--149. Pontypridd, ISPRS, (2005)