@article{articlea6ccaa31,
title   = {Signature of the interaction between dark energy and dark matter in galaxy clusters},
author = {Abdalla, Elcio and Abramo, Luis Raul Weber and Sodré Júnior, Laerte and Wang, Bin and Abdalla, Elcio},
year = {2009},
doi = {10.1016/j.physletb.2009.02.008},
journal   = {Physics Letters B}
}