@inproceedings{Fister2015FitnessTraining,
  title={Planning fitness training sessions using the bat algorithm},
  author={Fister Jr, Iztok. and Rauter, Samo and Ljubi\v{c} Fister, Karin and Fister, Du\v{s}an and Fister, Iztok},
  booktitle={15th conference ITAT 2015 (CEUR workshop proceedings, ISSN 1613-0073, Vol. 1422)},
  pages={121--126},
  year={2015}
}