[Work time--37 hours = 5 X 7 hours and 24 minutes].

@article{Mlvig1990WorkTH,
  title={[Work time--37 hours = 5 X 7 hours and 24 minutes].},
  author={A M\olvig},
  journal={Sygeplejersken},
  year={1990},
  volume={90 28},
  pages={28-30}
}