TY  - ELEC
A1  - Maechler, M.
A1  - Rousseeuw, P.
A1  - Struyf, A.
A1  - Hubert, M.
A1  - Studer, M.
A1  - Hornik, K.
T1  - cluster: Cluster analysis basics and extensions. R package version 2.1.2
Y1  - 2021
UR  - https://cran.r-project.org/package=cluster

ER  -