LSD: Doorway to the Numinous: The Groundbreaking Psychedelic Research into Realms of the Human Unconscious

by Stanislav Grof M.D. Park Street Press · February 2009 Ppb. details (United States). details (UK). details (Canada). details (Germany). details (France). ISBN: 978-1-59477-282-5 ISBN-10: 1-59477-282-7