Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) BJORKMAN O.,"Further studies on differentiation of photosynthetic properties in sun and shade ecotypes of ""Solidago virgaurea"".",Physiol. Plant.,,,1968,21,,84-99,https://cir.nii.ac.jp/crid/1572824501244017664,https://doi.org/10.1111/j.1399-3054.1968.tb07233.x