P. Shaffer

发表

W. Lockau, J. Meeks, C. Wolk, 1977, The Journal of biological chemistry.

P. W. Shaffer, C. Peter Wolk, P. Shaffer, 1976, Archives of Microbiology.

Stephen A. Norton, James N. Galloway, George R. Hendrey, 1980 .

C. Wolk, J. Thomas, P. W. Shaffer, 1975, Biochemical and biophysical research communications.

Mary E. Kentula, M. Kentula, P. W. Shaffer, 1999, Wetlands.

K. N. Eshleman, R. Hooper, M. Church, 1988, Water, Air, and Soil Pollution.