TY  - BOOK
A1  - Ruggles, S.
A1  - Alexander, J.T.
A1  - Genadek, K.
A1  - Goeken, R.
A1  - Schroeder, M.B.
A1  - Sobek, M.
T1  - Integrated public use microdata series: Version 5.0 [machine-readable database]
Y1  - 2010
CY  - Minneapolis
PB  - University of Minnesota

ER  -