Bringaud F, García-Pérez J L, Heras SR, Ghedin E, El-Sayed NM, Andersson B, Baltz T, Lopez MC.  2002.  Identification of non-autonomous non-LTR retrotransposons in the genome of Trypanosoma cruzi. Molecular and Biochemical Parasitology. 124(1-2):73-78.