00307nam a2200097Ia 4500080001700000245011300017260003000130300001000160583001900170650002000189  a14.06.01 O68  aLife expectancy as an integrating concept for social and demographic data : a summary of six country studies  bThe CentreaParisFRc1985  a86 p.  c10/28/05kJOYD  aLIFE EXPECTANCY