Reynoldson, T. B.; Young, J. O. (1963). "The Food of Four Species of Lake-Dwelling Triclads". Journal of Animal Ecology. 32 (2): 175–191. doi:10.2307/2533. JSTOR2533.
jstor.org
Reynoldson, T. B.; Young, J. O. (1963). "The Food of Four Species of Lake-Dwelling Triclads". Journal of Animal Ecology. 32 (2): 175–191. doi:10.2307/2533. JSTOR2533.