Стивен Левин, Healing into Life and Death (New York: Anchor Books, 1987).
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Эирн Ларго-Уайт и др., статья Healthy Workplaces: The Effects of Nature Contact at Work on Employee Stress and Health в Public Health Report 126, приложение 1 (2011): 124–30. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3072911/