W. R.  Thurber, Mattis,, Liu,, ? Filliben, «The Relationship Between Resistivity and Dopant Density for Phosphorus- and Boron-Doped Silicon». U.S. Department of Commerce National Bureau of Standards, 1981.

W. R.  Thurber, Mattis, R. L., Liu, Y. M., ? Filliben, J. J., «Resistivity-Dopant Density Relationship for Boron-Doped Silicon», Journal of The Electrochemical Society, ?. 127, ?. 2291-2294, 1980.

W. R.  Thurber, Mattis, R. L., Liu, Y. M., ? Filliben, J. J., «Resistivity-Dopant Density Relationship for Phosphorus-Doped Silicon», Journal of The Electrochemical Society, ?. 127, ?. 1807-1812, 1980.