@misc{miscb602562c, title = {Ultradian components of the sleep-wake cycle in babies}, author = {Menna Barreto, Luiz Silveira and Benedito-Silva, Ana Amélia and Marques, Nélson and Andrade, M M M and Louzada, F}, year = {1993}, booktitle = {Latin-American Symposium on Chronobiology} }