Le nettoyage raisonné des plages, une nécessité écologique / Florian Geffroy
COTA(S): RE-410
But are tourists satisfied? Importance-performance analysis of the whale shark tourism industry on Isla Holbox, Mexico / Jackie Ziegler, Philip Dearden, Rick Rollins
COTA(S): RE-1193
Guia de espécies submarinas / Nuno Vasco Rodrigues [et al.]
COTA(S): 16210
Venha mergulhar no futuro / Área Expo - Parque Expo 98, S.A.
COTA(S): 15466; 15466.a
Dichiarazione di Genova sul secondo decennio del piano d'azione per il Mediterraneo, Genova, Settembre 1985