Media type: E-Article Title: The Layers of Presence: A Bio-cultural Approach to Understanding Presence in Natural and Mediated Environments Contributor: Riva, Giuseppe; Waterworth, John A.; Waterworth, Eva L. imprint: Mary Ann Liebert Inc, 2004 Published in: CyberPsychology & Behavior Language: English DOI: 10.1089/cpb.2004.7.402 ISSN: 1557-8364; 1094-9313 Origination: Footnote: