%0 Dataset %T Panel Study of Income Dynamics, 1968-1999: Annual Core Data %A Hofferth, Sandra L. %A Stafford, Frank P. %A Yeung, Wei-Jun J. %A Duncan, Greg J. %A Hill, Martha S. %A Lepkowski, James %A Morgan, James N. %D 2006-01-12 %R 10.3886/ICPSR07439.v1 %I Inter-university Consortium for Political and Social Research [distributor]