- Libro electrónicoFive Natural Hybrid Combinations in Minnows (Cyprinidae)W. L. Minckley
- Libro electrónicoFive Natural Hybrid Combinations in Minnows (Cyprinidae)W. L. Minckley
- Libro electrónicoFive Natural Hybrid Combinations in Minnows (Cyprinidae)W. L. Minckley
- Libro electrónicoGeographic Variation in the North American Cyprinid Fish, Hybopsis gracilisLeonard J. Olund