@article{campos-velho_lopes_hauser_2004,  title={Morphometry of the eyes in regenerant of genus Dugesia (Platyhelminthes, Turbellaria, Dugesiidae)},  volume={64},  ISSN={1519-6984},  url={https://doi.org/10.1590/S1519-69842004000100002},  DOI={10.1590/S1519-69842004000100002},  number={1},  journal={Brazilian Journal of Biology},  publisher={Instituto Internacional de Ecologia},  author={Campos-Velho, N. M. R. de and Lopes, K. A. R. and Hauser, J.},  year={2004},  month={Feb},  pages={1–9} }