| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Plant Protection 1: Pests, Diseases and Weeds | 978-0-646-00475-4 (0-646-00475-1) | 1991 | P.W. Unger · Adrienne L. Walkington |
| Plant Protection 2: Methods of Control | 978-0-646-02557-5 (0-646-02557-0) | 1990 | Adrienne L. Walkington |