(1994). Conservation of migratory waterbirds and their wetland habitats in the east Asian-Australasian flyway: Proceeding of an International Workshop held at Kushiro, Japan, 28 November-3 December 1994. Tokyo: The Preparatory Committee of the Kushiro International Wetland center.

Conservation of Migratory Waterbirds and Their Wetland Habitats in the East Asian-Australasian Flyway: Proceeding of an International Workshop Held At Kushiro, Japan, 28 November-3 December 1994. Tokyo: The Preparatory Committee of the Kushiro International Wetland center, 1994.

Conservation of Migratory Waterbirds and Their Wetland Habitats in the East Asian-Australasian Flyway: Proceeding of an International Workshop Held At Kushiro, Japan, 28 November-3 December 1994. Tokyo: The Preparatory Committee of the Kushiro International Wetland center, 1994.