@article{Martin2012,
author = {Martin, J.A. and Hamilton, B.E. and Ventura, S.J. and Osterman, M.J.K. and Wilson, E.C. and Mathews, T.J.},
title= {Births: Final data for 2010},
year = {2012},
journal = {National Vital Statistics Report},
volume = {61},
number = {1},
}