@article{
  author = {Vafa, P., Barary, M., Darkhal, H., Naseri, R.},
  title = {Thermal Requirement and the Response of Corn Hybrids (Zea mays L.) to Different Planting Dates in Isfahan},
  journal = {Journal of Crop Ecophysiology},
  year = {2014},
  volume = {8},
  number = {30},
  pages = {121-136},
  doi = {}
}