@techreport{Maechler2023,
author = {Maechler, M. and Rousseeuw, P.J. and Struyf, A. and Hubert, M. and Hornik, K. and Studer, M. and Roudier, P. and Gonzalez, J. and Kozlowski, K. and Schubert, E. and Murphy, K.},
title= {Package ‘cluster’},
year = {2023},
URL = {https://cran.r-project.org/web/packages/cluster/cluster.pdf},
}