R. E. · R. Ehlers · Ralf-Udo Ehlers · U. Ehlers
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| COST 819: Entomopathogenic Nematodes | 978-92-828-0821-4 (92-828-0821-1) | 1998 | N. Sim< · 177> · es · N. Boemare |
| Nematodes as Biocontrol Agents | 978-1-84593-454-5 (1-84593-454-7) | 2008 | P S Grewal · D I Shapiro-Ilan |
| Nematodes as Biological Control Agents | 978-0-85199-017-0 (0-85199-017-7) | 2005 | P. S. Grewal · D. I. Shapiro-Ilan |