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Karling, T. G.; Schockaert, E. R. (1977). Anatomy and systematics of some Polycystididae (Turbellaria, Kalyptorhynchia) from the Pacific and S. Atlantic. Zoologica Scripta. 6: 5-19.
Karling, T. G.; Schockaert, E. R. (1977). Anatomy and systematics of some Polycystididae (Turbellaria, Kalyptorhynchia) from the Pacific and S. Atlantic. Zoologica Scripta. 6: 5-19.