Studies on a collection of spirorbids from Ceylon, together with a critical review and revision of spirorbid systematics, and an account of their phylogeny and zoogeography. Ceylon J. Sci., 8 1970: 100-172. llmCll [Zoological Record Volume 107]
Studies on a collection of spirorbids from Ceylon, together with a critical review and revision of spirorbid systematics, and an account of their phylogeny and zoogeography. Ceylon Journal of Science, 8 1970: 100-172. 101 [Zoological Record Volume 108]