@article{liu2020horizontal,
  title={Horizontal and vertical crossover of Harris hawk optimizer with Nelder-Mead simplex for parameter estimation of photovoltaic models},
  author={Liu, Yun and Chong, Guoshuang and Heidari, Ali Asghar and Chen, Huiling and Liang, Guoxi and Ye, Xiaojia and Cai, Zhennao and Wang, Mingjing},
  journal={Energy Conversion and Management},
  volume={223},
  pages={113211},
  year={2020},
  publisher={Elsevier}
}