TY  - RPRT
A1  - National Opinion Research Center
T1  - Appendix A - Sampling design and weighting
Y1  - 2007
UR  - http://publicdata.norc.org:41000/gss/Documents/Codebook/A.pdf
N1  - In: General Social Surveys, 1972-2006: Cumulative codebook. Chicago: National Opinion Research Center

ER  -