@article{Yadava2013,
author = {Yadava, R.C. and Kumar, A. and Srivastava, U.},
title= {Sex ratio at birth: A model based approach},
year = {2013},
doi = {10.1016/j.mathsocsci.2012.06.004},
journal = {Mathematical Social Sciences},
volume = {65},
number = {1},
pages = {36--39},
}