PT Journal AU Härmä, M Barton, J Costa, G Greenwood, K Knauth, P Nachreiner, F Rosa, R Åkerstedt, T TI New challenges for the organization of night and shift work: Proceedings of the XIII International Symposium on Night and Shift Work, 23--27 June 1997, Finland SO Scandinavian Journal of Work, Environment & Health PD VL PY 1998 BP 1 EP 155 IS 3 WP https://www.sjweh.fi/show_abstract.php?abstract_id=327 SN 0355-3140 ER