Productivity Indexes for Selected Industries, 1979 Edition U.S. Department of Labor Bureau of Labor Statistics 1979 Bulletin 2054 / . o ’ ; ■Oo s */ Digitized for FRASER…
A a - 3 ' Productivity Measures for Selected Industries, 1954-79 U.S. Department of Labor Bureau of Labor Statistics April 1981 Bulletin 2093 - H r , 5 , 4 , Digitized…