http://ci.nii.ac.jp/els/110007127494.pdf?id=ART0009066135&type=pdf&lang=jp&host=cinii&order_no=&ppv_type=0&lang_sw=&no=1369019527&cp=

http://ci.nii.ac.jp/naid/110007010207

http://ci.nii.ac.jp/naid/110007010203

http://ci.nii.ac.jp/naid/110007010156

http://ci.nii.ac.jp/naid/110006393406

http://ci.nii.ac.jp/naid/110006393150