na INLIS000000000008194 Ind 0010-1118008194 Flourescent lighting fixtures: case study data on productivity and factory performance UNITED STATES DEPARTEMENT OF LABOUR. Bureau of Labour Statistics Bureau of Labour Statistics, United States Departement of Labour Bureau of Labour Statistics [s.l.] Bureau of Labour Statistics 1952 iv, 46 p. : ill. ; 20 cm. iv, 46 p. : ill. ; 20 cm. 628.9.03UNIf 628.9.03 FLOURESCENT LIGHTING 200/62