Realms of the human unconscious Observations from LSD research
Grof, Stanislav.
London Souvenir Press
1979
'A condor book'
Originally published: New York : Viking Press, 1975
Bibliography: p.245-246. - Includes index
ISBN 0-285-64882-9 Pbk : £3.50
Subconsciousness.
Lysergic acid diethylamide.