TI - Signature of the interaction between dark energy and dark matter in observations PY - 2009 AU - Abdalla, Élcio AU - Abramo, Luis Raul Weber AU - Souza, José Cleriston Campos de UR - http://xxx.if.usp.br/PS_cache/arxiv/pdf/0910/0910.5236v2.pdf PP - São Paulo ER -