https://vocabularyserver.com/icpsr/https://vocabularyserver.com/icpsr/xml.php?skosTema=1760intergenerational conflict https://vocabularyserver.com/icpsr/xml.php?skosTema=1760 conflict BT https://vocabularyserver.com/icpsr/xml.php?skosTema=1760 age groups RT https://vocabularyserver.com/icpsr/xml.php?skosTema=1760 family relationships RT https://vocabularyserver.com/icpsr/xml.php?skosTema=1760 generations RT