Electron Spin Resonance Experiments on Donors in Silicon by Bell Telephone Laboratories, Bruce Plympton Bogert, C. A. Collins, C. E. Barnes, D. B. Kirby, D. G. Thomas, D. K. Wilson, D. L. Klein, E. N. Gilbert, Frank H. Stillinger, Gunther K. Wertheim, James Loton Flanagan, Joseph Francis Dillon, M. Uenohara, Peter Adalbert Wolff, S. Geller, S. J. Buchsbaum, Shanti Swarup Gupta, Shiro Matsuoka, W. P. Slichter, William G. Pfann, William George Spitzer, A. D. Williams, C. W. Rosenthal, D. J. D'Stefan, F. A. Trumbore, George Feher, J. J. Hopfield, J. K. Galt, John F. Riordan, L. R. Walker, Phyllis A. Groll, R. Wolfe, Richard M. Bozorth, Robert N. Thurston, R. A. Logan