@techreport{Lepkowski2013, author = {Lepkowski, J.M. and Mosher, W.D. and Groves, R.M. and West, B.D. and Wagner, J. and Gu, H.}, title= {Responsive design, weighting, and variance estimation in the 2006–2010 National Survey of Family Growth: Data evaluation and methods research}, year = {2013}, publisher = {National Center for Health Statistics}, address = {Hyattsville}, number = {Series 2, number 158}, }