TY - BOOK ED - International Labour Office. ED - International Labor Conference TI - Regulation of hours of work and rest periods of professional drivers (and their assistants) of vehicles engaged in road transport AV - HD5119.A76 I5 1939a PY - 1939/// CY - Geneva PB - International Labour Office KW - Professional motor vehicle drivers KW - Hours of labor N1 - At head of title: Report IV. International Labour Conference. Twenty-fifth session, Geneva, 1939 ER -