| Title | Monografie der Gattung Gymnocalycium |
| Abbreviation | Monogr. Gattung Gymnocalycium |
| Authors | B. Schütz |
| Publication Dates | 1992 |
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| Title | Monografie der Gattung Gymnocalycium |
| Abbreviation | Monogr. Gattung Gymnocalycium |
| Authors | B. Schütz |
| Publication Dates | 1992 |