TY  - BOOK
A1  - Ruggles, S.
A1  - Genadek, K.
A1  - Goeken, R.
A1  - Grover, J.
A1  - Sobek, M.
T1  - Integrated public use microdata series: Version 6.0 [dataset
Y1  - 2015
DO  - 10.18128/D010.V6.0
CY  - Minneapolis
PB  - University of Minnesota

ER  -