@article{articleaf102757,
title   = {Evolution of time-control mechanisms in subterranean organisms: cave fishes under light-dark cycles (Teleostei: Siluriformes, Characiformes)},
author = {Trajano, Eleonora and Ueno, J. C. H and Menna Barreto, Luiz Silveira},
year = {2012},
doi = {10.1080/09291016.2011.560051},
journal   = {Biological Rhythm Research}
}