Tài liệu tham khảo

WikiPedia: Danh_sách_đảo_Nhật_Bản http://www.volcano.si.edu/world/volcano.cfm?vnum=0... https://books.google.com/books?&id=Kc5xrqAD9fYC&pg... https://books.google.com/books?id=NHi6AAAAIAAJ&q=%... https://books.google.com/books?id=p2QnPijAEmEC&pg=... https://books.google.com/books?id=p2QnPijAEmEC&pg=... https://books.google.com/books?id=p2QnPijAEmEC&pg=... https://books.google.com/books?id=p2QnPijAEmEC&pg=... https://books.google.com/books?id=p2QnPijAEmEC&pg=... https://books.google.com/books?id=p2QnPijAEmEC&pg=... https://books.google.com/books?id=tYguAAAAYAAJ&pg=...