Genetic analysis of hybrid sterility within the species Drosophila pseudoobscura.

@article{Dobzhansky1974GeneticAO,
  title={Genetic analysis of hybrid sterility within the species Drosophila pseudoobscura.},
  author={T H Dobzhansky},
  journal={Hereditas},
  year={1974},
  volume={77 1},
  pages={81-8}
}