BORG, J.A., J. EVANS, and P.J. SCHEMBRI. 2009. “Occurrence of the Alien Nudibranch Melibe Viridis (Kelaart, 1858) (Opisthobranchia, Tethydidae), in the Maltese Islands”. Mediterranean Marine Science 10 (1):131-36. https://doi.org/10.12681/mms.127.