W R · W Ullrich · Wolfram R. Ullrich
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Inorganic Nitrogen in Plants and Microorganisms: Uptake and Metabolism | 978-0-387-52773-4 (0-387-52773-7) | 1990 | C. Rigano · A. Fuggi |
| Inorganic Nitrogen Metabolism | 978-0-387-17532-4 (0-387-17532-6) | 1987 | P. J. Aparicio · P. J. Syrett |