Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Matsui Masaki and Okamura Koji and Okahira Takumi and Goto Susumu,Possibility of establishing mixed forests by combining Picea jezoensis planting and natural regeneration in low elevation zone,Japanese Journal of Forest Environment,03888673,The Japanese Society of Forest Environment,2008,50,1,35-40,https://cir.nii.ac.jp/crid/1390001204212814976,https://doi.org/10.18922/jjfe.50.1_35