@article{
  author = {Bhat, F.A., Bhattacharyya, H.K.},
  title = {Oestrus Duration and Status of Reproductive Organs in Repeat Breeding Cows},
  journal = {Iranian Journal of Applied Animal Science},
  year = {2012},
  volume = {2},
  number = {3},
  pages = {295-299},
  doi = {}
}