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B. Å.  kesson, Gschwentner, R., Hendelberg, J., Ladurner, P., Mueller, J., and Rieger, R., ?Fission in Convolutriloba longifissura: Asexual reproduction in acoelous turbellarians revisited.?, Acta Zool (Stockholm), vol. 82, pp. 231 - 239, 2001.

R.  Gschwentner, Ladurner, P., Nimeth, K., and Rieger, R., ?Stem cells in a basal bilaterian. S-phase and mitotic cells in Convolutriloba longifissura (Platyhelminthes, Acoela).?, Cell and Tissue Research, vol. 304, pp. 401 - 408, 2001.

J. G.  Achatz, Gschwentner, R., and Rieger, R., ?Symsagittifera smaragdina sp. nov.: a new acoel (Acoela: Acoelomorpha) from the Mediterranean Sea.?, Zootaxa, vol. 1085, pp. 33 - 45, 2005.

R.  Gschwentner, Baric, S., and Rieger, R., ?New model for the formation and function of sagittocysts: Symsagittifera corsicae n. sp. (Acoela).?, Invert Biol, vol. 121, pp. 95 - 103, 2002.