| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| A Multilateral System for Plant Genetic Resources: Imperatives, Achievements and Challenges | 978-92-9O43-238-8 (92-9O43-238-1) | 1994 |
D.C. · David C. · E C. · E. D. · E. David · J C · J.D. · J. David · J. E. · J. Engels · Jan C · Jan Engels