Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Masashi Sahashi and Masayuki Takagishi and Kohichi Tateyama and Masahisa Yoshikawa,The study of non-shield head for perpendicular recording,IEEE International Digest of Technical Papers on Magnetics Conference,,IEEE,2003-06-25,,,EQ1,https://cir.nii.ac.jp/crid/1874242817713029632,https://doi.org/10.1109/intmag.2002.1001164