Robert L. Crain
发表
Shi-Chang Wu,
Jomills Henry Braddock,
Robert L. Crain,
1988
.
Robert L. Crain,
R. Crain,
Rita E. Mahard,
1982
.
Robert L. Crain,
R. Crain,
Rita E. Mahard,
1983,
American Journal of Sociology.
Robert L. Crain,
R. Crain,
Donalde Rosenthal,
1966
.
Shi-Chang Wu,
Robert L. Crain,
R. Crain,
1982
.
Robert L. Crain,
R. Crain,
1966
.
Michael Aiken,
Robert L. Crain,
Laura L. Morlock,
1970
.
Robert L. Crain,
R. Crain,
1983
.
Robert L. Crain,
1992
.
Elihu Katz,
Robert L. Crain,
E. Katz,
1969
.