PRACE DOKTORSKIE - SZWECJA 547,801 LEYMANN HEINZ Psychological reactions to violence in working life : bank robberies : [dlissertation] / Heinz Leymann University of Umea. - Umea : University, 1990. -[2], 64 s. ; 24 cm + 5 prac (Umea University Medical Dissertation, ISSN 0346-6612 ; new ser. nr 289)