Books by Cross, Frank B. (Frank Bernard) (sorted by popularity)
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Displaying results 1–2
- Geographic Variation in the North American Cyprinid Fish, Hybopsis gracilis Frank B. Cross and Leonard J. Olund 128 downloads
- Five Natural Hybrid Combinations in Minnows (Cyprinidae) Frank B. Cross and W. L. Minckley 63 downloads
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Displaying results 1–2