@article{article942,
  title = {System design for storing and indexing spatial data in database},
  author = {HELVACI, C. and GÃœMÜŞAY, M.Ã.},
  journal = {Sigma Journal of Engineering and Natural Sciences},
  year = {2010},
  volume = {28},
  pages = {357-368},
  doi = {}
}