. . "Affidavit of Bruno Bettelheim, psychologist and inmate of German concentration camps on subjective reaction of prisoners; and on purposes of camps, vom 10.07.1945."@deu . "Affidavit of Bruno Bettelheim, psychologist and inmate of German concentration camps on subjective reaction of prisoners; and on purposes of camps, vom 10.07.1945."@deu . .