@article{barthelemy:hal-00518613, TITLE = {{Beyond the Pyramids: Rigid Clustering Systems}}, AUTHOR = {Barthelemy, J.-P. and Gusho, G. and Osswald, Christophe}, URL = {https://hal.science/hal-00518613}, NOTE = {NonWOS}, JOURNAL = {{in Selected Contributions in Data Analysis and Classification, Series: Studies in Classification, Data Analysis, and Knowledge Organization, Springer-Verlag}}, PAGES = {Non renseigne}, YEAR = {2007}, HAL_ID = {hal-00518613}, HAL_VERSION = {v1}, }