Inaba, Hisashi Duration-dependent multistate population dynamics / Hisashi Inaba - Tokyo : Ministry of Health and Welfare (MHW) , 1992 - 20p. : ill. ; 30 cm. - Working paper No. 9 . Includes bibliographical references. Subjects--Topical Terms: Population dynamics--Japan Gov. Doc. Class. No.: JP MHW IPP WP-9