@inproceedings{inproceedings2185b531,
title   = {Development of the circadian and ultradian components in human sleep / wake cycle: a four-year follow-up study},
author = {Isola, A and Mello, L and Louzada, F M and Menna Barreto, Luiz Silveira},
year = {1995},
publisher = {Usp},
booktitle   = {Simposio de Iniciacao Cientifica da Universidade de São Paulo}
}