@article{articleddc1b65a,
title   = {Ciclograma a tool for detection of rhythmicities in sleep/wake cycles},
author = {Diambra, L. and Lopes, J R. and Menna-Barreto, Luiz Silveira and Rigolino, R.},
year = {2002},
journal   = {Chronobiology International}
}