TY - BOOK ED - International Coordination Group for the Tsunami Warning System in the Pacific, 13th. Session; 1991 : Ensenada, Baja California, Mexico. ED - COI. Comisión Oceanográfica Intergubernamental. TI - National reports on intersnsessional activities : Chile, France, Japan, New Zealand and USA CY - Paris : UNESCO, 1991. ER -