1. Taxonomically intelligent database programs;Allkin,1988
2. The Vicieae database: An experimental taxonomic monograph;Adey,1984
3. Alice biological checklist and species diversity database system;Allkin,1989
4. Data management models for biological classification;Allkin,1988
5. A flexible computer program for generating identification keys;Dallwitz;Syst. Zool.,1974