TY  - BOOK
A1  - Heeringa, S.G.
A1  - Connor, J.H.
T1  - Technical description of the Health and Retirement Survey sample design
Y1  - 1995
DO  - 10.7826/ISR-UM.06.585031.001.05.0001.1995
CY  - Ann Arbor, MI
PB  - University of Michigan

ER  -