@techreport{Martinez2012,
author = {Martinez, G.M. and Daniels, K. and Chandra, A. },
title= {Fertility of men and women aged 15-44 years in the United States: National Survey of Family Growth, 2006-2010},
year = {2012},
publisher = {National Center for Health Statistics},
address = {Hyattsville, MD},
institution = {National health statistics reports: no. 51. },
}