TY - GEN A2 - Central Statistical Office PB - Statistical Publishing Establishment L2 - http://www.jbc.bj.uj.edu.pl/Content/281386 KW - death rate KW - age T1 - Trwanie Życia w 2009 r. UR - http://www.jbc.bj.uj.edu.pl/dlibra/publication/edition/281386 ER -