Bruggen, A. C. van. (1971). Some Streptaxidae (Mollusca) from west and southern Africa with the description of a new species of Gulella. Zoologische Mededelingen. 45(22): 245-260.
299986
Bruggen, A. C. van
1971
Some Streptaxidae (Mollusca) from west and southern Africa with the description of a new species of <i>Gulella</i>