Leisch, N., Dirks, U., Gruber-Vodicka, H. R., Schmid, M., Sterrer, W., & Ott, J. A. (2011). Microanatomy of the trophosome region of Paracatenula cf. polyhymnia (Catenulida, Platyhelminthes) and its intracellular symbionts. Springer-Verlag.

Leisch, Nikolaus, Ulrich Dirks, Harald R. Gruber-Vodicka, Markus Schmid, Wolfgang Sterrer, و Jörg A. Ott. Microanatomy of the Trophosome Region of Paracatenula Cf. Polyhymnia (Catenulida, Platyhelminthes) and Its Intracellular Symbionts. Springer-Verlag, 2011.

Leisch, Nikolaus, et al. Microanatomy of the Trophosome Region of Paracatenula Cf. Polyhymnia (Catenulida, Platyhelminthes) and Its Intracellular Symbionts. Springer-Verlag, 2011.