| Ref ID | Type | Author | Date | Title |
|
4
| Report | Howells, R.G. | 1991 | Electrophoretic identification of feral and domestic Tilapia in Texas. |
|
360
| Report | Howells, R.G. | 1992 | Annotated list of non-native fishes, mollusks, crustaceans, and aquatic plants, in Texas waters. Management Data Series No. 78. |
