Sequence heterogeneity and phylogenetic relationships between the copia retrotransposon in Drosophila species of the repleta and melanogaster groups Luciane M. De Almeida and Claudia M.A. CararetoGenet. Sel. Evol., 38 5 (2006) 535-550DOI: https://doi.org/10.1051/gse:2006020