@article{
  author = {Nejatkhah Manavi, P., Pasandi, A.A., Saghali, M., Beheshtinia, N., Mirshekar, D.},
  title = {Study of nitrate and phosphate in eastern south Caspian Sea in spring and summer},
  journal = {},
  year = {2009},
  volume = {4},
  number = {3},
  pages = {10-19},
  doi = {}
}