The freshwater gastropod molluscs of Western Aden Protectorate
Published in Bull. Brit. Mus. Nat. Hist. Zool., in 1963, in volume 10, pages 257-274
Date published:1963
Published in Bull. Brit. Mus. Nat. Hist. Zool., in 1963, in volume 10, pages 257-274
Date published:1963