@article{efficientmaximumlikelihoodinferencefor,
  title = {Efficient Maximum-Likelihood Inference For The Isolation-With-Initial-Migration Model With Potentially Asymmetric Gene Flow},
  year = {2016},
  eprint = {1601.03684},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1601.03684v1},
}