@misc{W2072955302,
  author = {Esmat Rashedi and Hossein Nezamabadi–pour and Saeı̈d Saryazdi},
  title = {GSA: A Gravitational Search Algorithm},
  year = {2009},
  howpublished = {Information Sciences},
  doi = {https://doi.org/10.1016/j.ins.2009.03.004}
}