@article{articlef4b550a4,
title   = {Age differences between spouses in a brazilian marriage sample},
author = {Otta, Emma and Queiroz, Renato da Silva and Campos, Lucila de Sousa and Silva, Monika Weronika Dowbor da and Silveira, Mariana Telles},
year = {1999},
journal   = {Evolution and Human Behavior}
}