id	keyword
cpos-20	east
cpos-20	west
cpos-20	german
cpos-20	women
cpos-20	fertility
cpos-20	rst
cpos-20	family
cpos-20	differences
cpos-20	births
cpos-20	transition
cpos-20	patterns
cpos-20	rate
cpos-20	west germany
cpos-20	cation
cpos-20	time
cpos-20	und
cpos-20	effect
cpos-20	east germany
cpos-20	model
cpos-20	life
cpos-20	orientation
cpos-20	bernhard
cpos-20	fertility patterns