McNicoll, Geoffrey Adaptation of social systems to changing mortality regimes / Geoffrey McNicoll - New York : Population Council (PC) , 1984 - 26p. : ill. ; 22 cm. - Working papers (Population Council. Center for Policy Studies) No. 108 . Includes bibliographical references. Subjects--Topical Terms: MortalitySocial change. Gov. Doc. Class. No.: US PC CPS WP-108