| 要約 | 博士論文 日本海北部沿岸地域における海岸林造成の史的展開 ー秋田県・山形県の国有海岸保安林の事例ー (The historical studies on developing process of coastal forestation in the North-Eastern Coast along the Sea of Japan - Inthe case of national coastal protection forest in Akita Prefecture and Yamagata Prefecture -)/学位論文⇒#621632@山形大図書; |