Niwata, Noriaki, 1927- Insurance : its principles and practice in Japan / Noriaki Niwata - Tokyo : Keio University, Insurance Institute, c1978, c1980, c1993 - 165 p. : ill. ; 26 cm [1] [without special title] -- [2] Second series Subjects--Topical Terms: Insurance--JapanSocial security--Japan Dewey Class. No.: 368.952 / NII 1993