Book: PSI the “other reality”
PSI die „andere Wirklichkeit“, Autor: Prof. Dr. Hellmut Hofmann, Verlag Edition va Bene, Wien 2001, ISBN 3-85167-111-2
Chapter: The spoon bender Uri Geller
Page 84: “Clearly it was seen that the point of the key bent itself slowly upwards. The tape recordings has proved that the bending process took approximately ten seconds.”