@article{
  author = {, , , , , , , , , },
  title = {Analysis of urban vulnerability passive defense in regional Cities a case study in Gorgan},
  journal = {Geography},
  year = {2019},
  volume = {15},
  issue = {52},
  pages = {0-0},
  doi = {},
  url = {https://rimag.ir/fa/Article/8953}
}