Ōsumi Kushira Okazaki kofungun no kenkyūHashimoto, Tatsuya, Daisuke Fujii, Yasuhiro Kai · First published 2008Open the Tome
注釈国際統一売買法Michitarō Kai, Kikuo Ishida, Eishi Tanaka, Yasuhiro Tanaka · First published 2000Open the Tome
