S. N.  Salthe, Evolving hierarchical systems: their structure and representation. New York: Columbia University Press, 1985, p. 343.

S. N.  Salthe, ?Summary of the principles of hierarchy theory?, 2001.

E.  Ravasz, Somera, A. L., Mongru, D. A., Oltvai, Z. N., and Barabási, A. - L., ?Hierarchical organization of modularity in metabolic networks?, Science, vol. 297, pp. 1551-1555, 2002.

W.  Miller, III, ?What's in a name? Ecologic entities and the marine paleoecologic record?, in Evolutionary paleoecology: the ecological context of macroevolutionary change, W. D.  Allmon and Bottjer, D. J., Eds. New York: Columbia University Press, 2001, pp. 15-33.

W.  Miller, III, ?Regional ecosystems and the origin of species?, Neues Jahrbuch für Geologie und Paläontologie. Abhandlungen, vol. 225, pp. 137-156, 2002.

W.  Miller, III, ?A place for phyletic evolution within the theory of punctuated equiibria: Eldredge pathways?, Neues Jahrbuch für Geologie und Paläontologie. Monatshefte, vol. 8, pp. 463-476, 2003.

W.  Miller, III, ?Assembly of large ecologic systems: macroevolutionary connections?, Neues Jahrbuch für Geologie und Paläontologie. Monatshefte, vol. 10, pp. 629-640, 2004.

W.  Miller, III, ?The paleobiology of rarity: some new ideas?, Neues Jahrbuch für Geologie und Paläontologie. Monatshefte, vol. 11, pp. 683-693, 2005.

W.  Miller, III, ?What every paleontologist should know about species: new concepts and questions?, Neues Jahrbuch für Geologie und Paläontologie. Monatshefte, vol. 2006, pp. 557-576, 2006.

R. W.  Korn, ?The emergence principle in biological hierarchies?, Biology and Philosophy, vol. 20, pp. 137-151, 2005.

D.  Jablonski, ?Micro- and macroevolution: scale and heirarchy in evolutionary biology and paleobiology?, Paleobiology, vol. 26, pp. 15-52, 2000.

D.  Hull, ?Individuality and selection?, Annual Review of Ecology and Systematics, vol. 11, pp. 311-322, 1980.

R.  T. Gregory, ?Macroevolution, hierarchy theory, and the C-value enigma?, Paleobiology, vol. 30, pp. 179-202, 2004.

R.  T. Gregory, ?Macroevolution and the genome?, in The evolution of the genome, R.  T. Gregory, Ed. London: Elsevier, 2005, pp. 679-729.

M.  Grene, ?Hierarchies in biology?, American Scientist, vol. 75, pp. 504-510, 1987.

J. V.  Freudenstein, Pickett, K. M., Simmons, M. P., and Wenzel, J. W., ?From basepairs to birdsongs: phylogenetic data in the age of genomics?, Cladistics, vol. 19, pp. 333-347, 2003.

N.  Eldredge, ?Information, economics, and evolution?, Annual Review of Ecology and Systematics, vol. 17, pp. 351-369, 1986.

N.  Eldredge, The pattern of evolution. New York: W. H. Freeman and Company, 1999, p. 219.

N.  Eldredge, ?The sloshing bucket: how the physical realm controls evolution?, in Evolutionary dynamics - exploring the interplay of selection, accident, neutrality, and function, J. P.  Crutchfield and Schuster, P., Eds. Oxford: Oxford University  Press, 2003, pp. 3-32.

D. M.  Didion, ?Relevant bounds on hierarchical levels in the description of mechanisms?, History and Philosophy of the life Sciences, vol. 25, pp. 5-25, 2003.

B.  Brogaard, ?Species as individuals?, Biology and Philosophy, vol. 19, pp. 223-242, 2004.

B.  J. Bennington, Dimichele, W. A., Badgley, C., Bambach, R. K., Barrett, P. M., Behrensmeyer, A. K., Bobe, R., Burnham, R. J., Daeschler, E. B., Van Dam, J., Eronen, J. T., Erwin, D. H., Finnegan, S., Holland, S. M., Hunt, G., Jablonski, D., Jackson, S. T., Jacobs, B. F., Kidwell, S. M., Koch, P. L., Kowalewski, M. J., Labandeira, C. C., Looy, C. V., S. Lyons, K., Novack-Gottshall, P. M., Potts, R., Roopnarine, P. D., Strömberg, C. A. E., Sues, H. - D., Wagner, P. J., Wilf, P., and Wing, S. L., ?Critical issues of scale in paleoecology?, Palaios, vol. 24, pp. 1-4, 2009.