| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Biology of Pollution in Major River Systems | 978-O-412-4817O-3 (O-412-4817O-7) | 1998 |
A. T. Langford · T.E. Langford · T Langhoff · T. Langova · Teddy L. Langford · Theresa E. Langford · Thomas A. Langford · Thomas E Langford · Thomas Langford · Thomas W. Langford · Tiffany M Langford · Tom Langford