Abowd, John M.
[Washington, D.C.] : U.S. Dept. of Labor, Bureau of Labor Statistics, Office of Employment Research and Program Development, [1998]
1998
Antinolfi, Gaetano.
[Washington, D.C.] : U.S. Dept. of Labor, Bureau of Labor Statistics, Office of Employment Research and Program Development, [2000]
2000
Kaplan, David Scott
[Washington, D.C.] : U.S. Dept. of Labor, Bureau of Labor Statistics, Office of Employment Research and Program Development, [1998]
1998