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Ferreira, G. D.; Santos, M. V.; Lira, M. A.; Melo, A. C.; Almeida, O. C.; Ribeiro, C. R.; Oliveira, R. L.; Palmieri, A. D. Quantitative and Qualitative Characteristics of Elephant Grass (Pennisetum Purpureum Schum) Clones in the Semi-Arid Lands of Pernambuco (Brazil). Rev. colomb. cienc. pecu. 2013, 26, 15-23.