id	keyword
cpos-600	children
cpos-600	education
cpos-600	homogamy
cpos-600	parents
cpos-600	countries
cpos-600	attainment
cpos-600	european
cpos-600	family
cpos-600	blossfeld
cpos-600	hypogamy
cpos-600	inequality
cpos-600	resources
cpos-600	hypergamy
cpos-600	association
cpos-600	model
cpos-600	research
cpos-600	father
cpos-600	mother
cpos-600	class
cpos-600	level
cpos-600	gender
cpos-600	origin
cpos-600	et al
cpos-600	differences