https://vocabularyserver.com/asfa/https://vocabularyserver.com/asfa/xml.php?skosTema=435Age composition https://vocabularyserver.com/asfa/xml.php?skosTema=435 Age at recruitment RT https://vocabularyserver.com/asfa/xml.php?skosTema=435 Age groups RT https://vocabularyserver.com/asfa/xml.php?skosTema=435 Senescence RT https://vocabularyserver.com/asfa/xml.php?skosTema=435 Size distribution RT https://vocabularyserver.com/asfa/xml.php?skosTema=435 Year class RT https://vocabularyserver.com/asfa/xml.php?skosTema=435 Population structure BT