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2. Monogenetic Trematodes, their Systematics and Phylogeny;Bykhovsky,1957
3. The Trematoda. With Special Reference to British and other European Forms;Dawes,1946
4. Systematic notes on the monogenetic trematodes;Hargis,1959
5. The biology of Leptocotyle minor, a skin parasite of the dogfish, Scyliorhinus canicula;Kearn;Parasitology,1965