P. A. Stephens

发表

C. D. Nickell, D. J. Thomas, T. Cary, 1996 .

C. D. Nickell, F. Kolb, P. A. Stephens, 1993 .

C. D. Nickell, M. S. Bachman, P. A. Stephens, 1997, Plant disease.

C. D. Nickell, P. A. Stephens, 1992 .

C. D. Nickell, J. Widholm, P. A. Stephens, 1991, Theoretical and Applied Genetics.

C. D. Nickell, J. Widholm, P. A. Stephens, 1990, Theoretical and Applied Genetics.

C. D. Nickell, J. Widholm, P. A. Stephens, 1991 .

C. D. Nickell, D. J. Thomas, P. A. Stephens, 1990 .