BioStor
 | An Analysis of the Flora of Southern Africa: Its Characteristics, Relationships, and Orgins Peter Goldblati (1978) Annals of the Missouri Botanical Garden 65: 369-436 |
 | Analysis of the Flora of Mediterranean and Saharan Africa P Quezel (1978) Annals of the Missouri Botanical Garden 65: 479-534 |
 | Chemosystematic Notes on the Asteraceae II. Acyclic Sesquiterpenes F Bohlmann, R M King and H Robinson (1979) Phytologia 41: 387-395 |