@article{
  author = {sadeghi, Arjang, Mirzaei Asl, Mostafa, Farahmand Azar, Bahman, Pouraminian, Majid},
  title = {Optimization of double layer grids using genetic algorithm method},
  journal = {Analysis of Structure and Earthquake},
  year = {2015},
  volume = {12},
  number = {1},
  pages = {53-58},
  doi = {}
}