I. S. Zonn

• I︠A︡ponskoe more
• Kaspiĭskai͡a︡ ėnt͡s︡iklopedii͡a︡
• Scientific, environmental, and political issues in the Circum-Caspian region
• Aralʹskai︠a︡ ėnt︠s︡iklopedii︠a︡
• Baltiĭskoe more
• Barent︠s︡evo more
• Beloe more
• Beringovo more
• Chukotskoe more
• Karskoe more
• Kaspiĭskiĭ memorandum
• Kaspiĭskoe more