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Jordan, I. King, Kira S. Makarova, John L. Spouge, Yuri I. Wolf, ja Eugene V. Koonin. Lineage-Specific Gene Expansions in Bacterial and Archaeal Genomes. Cold Spring Harbor Laboratory Press, 2001.

Jordan, I. King, et al. Lineage-Specific Gene Expansions in Bacterial and Archaeal Genomes. Cold Spring Harbor Laboratory Press, 2001.