TY  - RPRT
A1  - Lepkowski, J.
A1  - Mosher, W.D.
A1  - Davis, K.
T1  - National Survey of Family Growth, Cycle 6: Sample Design, Weighting, Imputation, and Variance Estimation.
Y1  - 2006
PB  - National Center for Health Statistics
CY  - Hyattsville, MD
T3  - Vital and Health Statistics, Series 2, No. 142

ER  -