Kaktus-ABC, en Haandbog for Fagfolk og Amatorer
- Title: Kaktus-ABC, en Haandbog for Fagfolk og Amatorer
- Abbreviation: Kaktus-ABC (Backeb. & Knuth)
- Authors: Curt Backeberg & Frederik Marcus Knuth
- Dates: 12 Feb 1936
Publications
(List may be incomplete)