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December 2017
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November 22, 2017 - Version: 1
Visitors’ emotional expression in urban forest parks: What can we know about on-line facial images from the Social Networking Services?
Haoming Guan
,
Honxu Wei
,
Xingyuan He
,
Zhibin Ren
,
Xin Chen
,
Peng Guo
https://doi.org/10.7287/peerj.preprints.3424v1
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