Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Matsukawa Hiroshi and Fukuyama Hidetoshi,On the Role of Apical Oxygens in High-Tc Cu-Oxides,Journal of the Physical Society of Japan,00319015,THE PHYSICAL SOCIETY OF JAPAN,1990,59,5,1723-1727,https://cir.nii.ac.jp/crid/1390282679155900800,https://doi.org/10.1143/jpsj.59.1723