Observations on the systematics of nematodes belonging to the genus Syphacia Seurat, 1916.
London: British Museum (Natural History), 1971. Octavo, wrappers,
illustrations.
Bulletin of the British Museum (Natural History), Volume 20, No. 8.
London: British Museum (Natural History), 1971. Octavo, wrappers,
illustrations.
Bulletin of the British Museum (Natural History), Volume 20, No. 8.