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Santanoni by R. Engel GUIDELINES FOR THE DESIGN AND EVALUATION OF OPERATOR INTERFAC... by R. Engel USER MANUAL by R. Engel Guidelines for Human Factors Engineering Design and Evaluatio... by R. Engel My Shadowlife by Richard Bugajer Implications of Psychopharmacology to Psychiatry by M. Ackenheil Environmental Health Aspects of Lead by D. Barth


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