About TAKAHASHI Naoto
About Sapporo City Univ., Sapporo, JPN
About YOSHIDA Ayano
About Sapporo City Univ., Sapporo, JPN
About Proceedings of the International Symposium on Okhotsk Sea & Polar Oceans
About snow removing work
About Hokkaido
About countermeasure
About service
About maintenance cost
About snow removal
About Sapporo City
About measures against snow
About administration service
About maintenance cost
About Road maintenance and repair
About 札幌
About 除雪作業
About 基礎
About 分析