Deep-freezing of jackass and stallion semen in concentrated pellet form.

@article{Kraus1967DeepfreezingOJ,
  title={Deep-freezing of jackass and stallion semen in concentrated pellet form.},
  author={Denis Kraus{\'e} and David T Grove},
  journal={Journal of reproduction and fertility},
  year={1967},
  volume={14 1},
  pages={
          139-41
        }
}
BETA