Employment (1) Mark, German (1) Technical literature (1) Questionnaires (1) Ladders (1) Impulsive personality (1) Communication of technical information (1) Communication in science (1) Back (1) Aggressiveness (1) Occupations (1) Agresividad (1) Misa (1) Trabajo (1) Travail (1) Estime de soi (1) Échelles (1) Impulsivité (1) Dos (1) Masse (1) Apparence individuelle (1) Information technique (1) Questionnaires (1) Documentation technique (1) Travail (1) Deutsche Mark (1) Information scientifique (1) Agressivité (1) travail (1) Die (1)