TY - GEN PB - Lower Silesian Centre for Social Policy ; PB - Publishing House of the Institute for Sustainble Technologies - National Research Institute L1 - http://www.bibliotekacyfrowa.pl/Content/65014/PDF/Genealogy_as_a_seniors'_hobby.pdf CY - Wrocław L2 - http://www.bibliotekacyfrowa.pl/Content/65014 KW - genealogy KW - family tree KW - chronicles KW - seniors T1 - Genealogy as a seniors' hobby UR - http://www.bibliotekacyfrowa.pl/dlibra/publication/edition/65014 ER -