Björkqvist, Kaj. Ecstasy from a Physiological Point of View // (Scripta Instituti Donneriani Aboensis XI: Religious Ecstasy. Based on Papers read at the Symposium on Religions Ecstasy held at Åbo, Finland, on the 26th-28th of August 1981. Edited by Nils G. Holm. Архивиран от оригинала на 2004-09-14. Посетен на 2021-02-08.
thefreedictionary.com
Ecstasy // The Free Dictionary By Farlex. Посетен на 2012-05-31.
web.archive.org
Björkqvist, Kaj. Ecstasy from a Physiological Point of View // (Scripta Instituti Donneriani Aboensis XI: Religious Ecstasy. Based on Papers read at the Symposium on Religions Ecstasy held at Åbo, Finland, on the 26th-28th of August 1981. Edited by Nils G. Holm. Архивиран от оригинала на 2004-09-14. Посетен на 2021-02-08.
