@article{Marin_1998, title={Anatomical and ultrastructural studies of chemical defence in the sponge Dysidea fragilis}, volume={131}, ISSN={1432-1793}, url={http://dx.doi.org/10.1007/s002270050356}, DOI={10.1007/s002270050356}, number={4}, journal={Marine Biology}, publisher={Springer Science and Business Media LLC}, author={Marin, A. and López, M. D. and Esteban, M. A. and Meseguer, J. and Muñoz, J. and Fontana, A.}, year={1998}, month=July, pages={639–645} }