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Karling, T. G. (1952). Kalyptorhynchia (Turbellaria) Further zoological results of the Swedish Antarctic expedition 1901-1903. Norstedt & Soener, Stockholm. 4(9):1-50.
Karling, T. G. (1952). Kalyptorhynchia (Turbellaria) Further zoological results of the Swedish Antarctic expedition 1901-1903. Norstedt & Soener, Stockholm. 4(9):1-50.