Pretty, Jules; Peacock, Jo; Sellens, Martin; Griffin, Murray (2005). "The mental and physical health outcomes of green exercise". International Journal of Environmental Health Research. 15 (5): 319–37. doi:10.1080/09603120500155963. PMID16416750. S2CID10078664.
Ulrich, R. S. (1981). "Natural Versus Urban Scenes: Some Psychophysiological Effects". Environment and Behavior. 13 (5): 523–56. doi:10.1177/0013916581135001. S2CID145353028.
Pretty, J.; Peacock, J.; Hine, R.; Sellens, M.; South, N.; Griffin, M. (2007). "Green exercise in the UK countryside: Effects on health and psychological well-being, and implications for policy and planning". Journal of Environmental Planning and Management. 50 (2): 211–31. doi:10.1080/09640560601156466. S2CID54179127.
Pretty, Jules; Peacock, Jo; Sellens, Martin; Griffin, Murray (2005). "The mental and physical health outcomes of green exercise". International Journal of Environmental Health Research. 15 (5): 319–37. doi:10.1080/09603120500155963. PMID16416750. S2CID10078664.
Pretty, Jules; Peacock, Jo; Sellens, Martin; Griffin, Murray (2005). "The mental and physical health outcomes of green exercise". International Journal of Environmental Health Research. 15 (5): 319–37. doi:10.1080/09603120500155963. PMID16416750. S2CID10078664.
Ulrich, R. S. (1981). "Natural Versus Urban Scenes: Some Psychophysiological Effects". Environment and Behavior. 13 (5): 523–56. doi:10.1177/0013916581135001. S2CID145353028.
Pretty, J.; Peacock, J.; Hine, R.; Sellens, M.; South, N.; Griffin, M. (2007). "Green exercise in the UK countryside: Effects on health and psychological well-being, and implications for policy and planning". Journal of Environmental Planning and Management. 50 (2): 211–31. doi:10.1080/09640560601156466. S2CID54179127.