Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) J. Jurčák and N. Bello González and R. Schlichenmaier and R. Rezaei,A distinct magnetic property of the inner penumbral boundary,Astronomy & Astrophysics,0004-6361,EDP Sciences,2016-12-23,597,,A60,https://cir.nii.ac.jp/crid/1363670319756240640,https://doi.org/10.1051/0004-6361/201628547