Thomas, Christopher M.; Nielsen, Kaare M. (September 2005). "Mechanisms of, and Barriers to, Horizontal Gene Transfer between Bacteria". Nature Reviews Microbiology. 3 (9): 711–721. doi:10.1038/nrmicro1234. ISSN1740-1534. PMID16138099. S2CID1231127.
Shelton, Deborah E.; Michod, Richard E. (April 3, 2009). "Philosophical foundations for the hierarchy of life". Biology & Philosophy. 25 (3): 391–403. doi:10.1007/s10539-009-9160-3. S2CID15695083.
Thomas, Christopher M.; Nielsen, Kaare M. (September 2005). "Mechanisms of, and Barriers to, Horizontal Gene Transfer between Bacteria". Nature Reviews Microbiology. 3 (9): 711–721. doi:10.1038/nrmicro1234. ISSN1740-1534. PMID16138099. S2CID1231127.
Thomas, Christopher M.; Nielsen, Kaare M. (September 2005). "Mechanisms of, and Barriers to, Horizontal Gene Transfer between Bacteria". Nature Reviews Microbiology. 3 (9): 711–721. doi:10.1038/nrmicro1234. ISSN1740-1534. PMID16138099. S2CID1231127.
Shelton, Deborah E.; Michod, Richard E. (April 3, 2009). "Philosophical foundations for the hierarchy of life". Biology & Philosophy. 25 (3): 391–403. doi:10.1007/s10539-009-9160-3. S2CID15695083.
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Okasha, Samir (2016). "Population Genetics". In Zalta, Edward N. (ed.). The Stanford Encyclopedia of Philosophy (Winter 2016 ed.). Metaphysics Research Lab, Stanford University. Retrieved September 26, 2018.
Thomas, Christopher M.; Nielsen, Kaare M. (September 2005). "Mechanisms of, and Barriers to, Horizontal Gene Transfer between Bacteria". Nature Reviews Microbiology. 3 (9): 711–721. doi:10.1038/nrmicro1234. ISSN1740-1534. PMID16138099. S2CID1231127.