Gili, Josep Maria , 1953-; and Ballesteros i Sagarra, Enric , 1958-. “Structure of cnidarian populations in Mediterranean sublittoral benthic communities as a result of adaptation to different environmental conditions”. Oecologia aquatica, no. 10, pp. 243-54, https://raco.cat/index.php/oecologiaaquatica/article/view/385054.