TY - BOOK ED - International Labour Office ED - International Labor Conference TI - Reduction of hours of work in the building and civil engineering industry AV - HD5119.B8 I5 1936 U1 - 331.8182 PY - 1936/// CY - Geneva PB - International Labour Office KW - Hours of labor KW - Building N1 - At head of title: Report IV. International Labour Conference. Twentieth session. Geneva, 1936 ER -