@misc{misc60d40a1e,
title   = {Sleep duration preferences in babies},
author = {Menna Barreto, Luiz Silveira and Montagner, H and Benedito-Silva, Ana Amélia and Cipolla Neto, José and Marques, Nélson and Soussignan, R and Koch, P},
year = {1989},
booktitle   = {International Conference of the International Society for Chronobiology}
}