@incollection{gerla2018hybrid,
  author = {Gerla, V. and Murga{\v{s}}, M. and Ml{\'a}dek, A. and Saifutdinova, E. and Maca{\v{s}}, M. and Lhotsk{\'a}, L.},
  title = {Hybrid Hierarchical Clustering Algorithm Used for Large Datasets: A Pilot Study on Long-Term Sleep Data},
  booktitle = {IFMBE Proceedings},
  publisher = {Springer Singapore},
  pages = {3--7},
  year = {2018},
  doi = {10.1007/978-981-10-7419-6_1},
  issn = {1680-0737},
  isbn = {978-981-10-7418-9}
}