About TAKEICHI KIYOSHI
About 北海学園大 工
About MAENO NORIKAZU
About 北大 低温科研
About KUBO HIROSHI
About 北海学園大 工
About 北海学園大学工学部研究報告
About administration of road
About Glaciologic engineering,cold region construction
About 路面凍結
About 推定
About 手法
About 研究