@article{articled749919a,
title   = {Chromatin structure of ribosomal RNA genes in dipterans and its relationship to the location of nucleolar organizers},
author = {Madalena, Christiane Rodriguez Gutierrez and Díez, José Luís and Gorab, Eduardo},
year = {2012},
doi = {10.1371/journal.pone.0044006},
journal   = {PLOS ONE}
}