VOLUME 37, 2001 LIST OF CONTENTS Number 1 I.-L. Engkvist, A. Kjeliberg, Back injuries among nursing personnel — identification of work H.E. Wigaeus, M. Hagberg, conditions with cluster analysis E. Meckel and L. Ekenvall T.A. Bentley, R.A. Haslam 19 A comparison of safety practices used by managers of high and low accident rate postal delivery offices A. O’Dea and R. Flin 39 Site managers and safety leadership in the offshore oil and gas industry E. Cagno, A. Di Giulio and P. Trucco 59 An algorithm for the implementation of safety improvement programs Numbers 2-3 B. Kirwan 77 Coping with accelerating socio-technical systems R. Amalberti 109 The paradoxes of almost totally safe transportation systems A. Hale 127 Regulating airport safety: the case of Schiphol B. Kirwan 151 The role of the controller in the accelerating industry of air traffic management C. Niessen and K. Eyferth 187 A model of the air traffic controller's picture PII: $0925-7535(01)00007-8