@misc{W2099239187,
  author = {Mehrdad Mahdavi and M. Fesanghary and E. Damangir},
  title = {An improved harmony search algorithm for solving optimization problems},
  year = {2006},
  howpublished = {Applied Mathematics and Computation},
  doi = {https://doi.org/10.1016/j.amc.2006.11.033}
}