331.81942
U58H
 Hours of work, overtime and shiftworking
- London : Her Majesty's Stationery Office, 1970.
 v, 132; vi, 259p.
- Report no. 161 and 161 (Supplement) .
  Presented to parliament by the secretary of state for employment by command of Her Majestry, December 1970
  ISBN: 10-145541-0
77644
77645
  Subjects: Hours of labor; Overtime.