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Цит. по изд.: Malthus, T. R. 1798. An Essay on the Principle of Population. Chapter 1. J. Johnson, in St. Paul's Church-yard, London.
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Evershed, R. P., Payne, S., Sherratt, A. G., Copley, M. S., Coolidge, J., Urem-Kotsu, D., Kotsakis, K., Özdoğan, M., Özdoğan, A., Nieuwenhuyse, O., Akkermans, P. M. M. G., Bailey, D., Andeescu, R.-R., Campbell, S., Farid, S., Hodder, I., Yalman, N., Özbaşaran, M., Biçakci, E., Garkinfel, Y., Levy, T. & Burton, M. M. 2008. Earliest date for milk use in the Near East and southeastern Europe linked to cattle herding. Nature 455: 528–31.
