R. Shafer

发表

F. Fritsch, R. Shafer, W. Crowley, 1973, CACM.
R. Shafer, W. Luxemburg, W. A. Vasconcelos, 1970 .
R. E. Shafer, R. Shafer, 1974 .
Andreas N. Philippou, Harry D. Ruderman, H. D. Ruderman, 1978 .
R. Shafer, 1952, International Journal of American Linguistics.
R. Shafer, 1952 .
Erwin Just, Norman Schaumberger, Robert E. Shafer, 1973 .
L. Carlitz, John Milnor, R. E. Shafer, 1968 .
R. Shafer, Robert Shafer, 1955 .
R. Shafer, 1967, International Journal of American Linguistics.
R. Shafer, 1945 .
R. Shafer, 1969, International Journal of American Linguistics.
R. Shafer, 1950, Bulletin of the School of Oriental and African Studies.
R. E. Shafer, Fred N. Fritsch, W. P. Crowley, 1973, Commun. ACM.
R. Shafer, J. Creber, 1974 .
R. Shafer, R. Salzner, 1960 .
R. Shafer, 1954 .