Sykes, Bryan
The nature of the beast: the first scientific evidence on the survival of apemen into modern times
Hodder & Stoughton Ltd., 2014
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Mason, Jennifer
Qualitative researching
Sage, 2009
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Koob, Derry D.
The nature of life
Addison-Wesley, 1971
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Baldwin, Ernest
The nature of biochemistry
University Press, 1962
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Marwick, Arthur
Nature of history
London MacMillan 1992
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