@article{Aguiar2009,
author = {Aguiar, M. and Hurst, E.},
title= {A summary of trends in American time allocation: 1965–2005},
year = {2009},
doi = {10.1007/s11205-008-9362-0},
journal = {Social Indicators Research},
volume = {93},
number = {1},
pages = {57--64},
}