WTS 1974
3rd International Symposium on Shiftwork and Working Time (Dortmund, Germany)
Papers published in:
Colquhoun P, Folkard S, Knauth P & Rutenfranz J (Eds), Experimental Studies of Shiftwork. Forschungsberichte des Landes Nordrhein-Westfalen, No. 2513. Opladen: Westdeutscher Verlag, 1975.