Volume 79
Crowley, T.E. and Pain, T.,1959. A monographic revision of the african land snails of the genus Burtoa (Mollusca-Achatinidae) Annales du Musée royal du Congo belge, Tervuren (Belgique), Serie 8, Sciences Zoologiques, Volume 79, 35 pp.
Crowley, T.E. and Pain, T.,1959. A monographic revision of the african land snails of the genus Burtoa (Mollusca-Achatinidae) Annales du Musée royal du Congo belge, Tervuren (Belgique), Serie 8, Sciences Zoologiques, Volume 79, 35 pp.