@article{Lee2002,
author = {Lee, R. and Kramer, K.},
title= {Children's Economic Roles in the Maya Family Life Cycle: Cain, Caldwell, and Chayanov Revisited},
year = {2002},
doi = {10.1111/j.1728-4457.2002.00475.x},
journal = {Population and Development Review},
volume = {28},
number = {3},
pages = {475--499},
}