Till & Amerhauser 2002: – Gymnocalycium 15(2)
| Authorship | Till & Amerhauser |
| Date published | 2002 |
| Volume | 15(2) |
| In journal | Gymnocalycium |
| Authorship | Till & Amerhauser |
| Date published | 2002 |
| Volume | 15(2) |
| In journal | Gymnocalycium |