Recent Monographs of Bell System Technical Papers Not Published in this Journal

Diffusion of Tungsten in Nickel and Reaction at Interface with SrO, Monograph 3089. ANDERSON, P . W . Absence of Diffusion in Certain Random Lattices, Monograph 3008. ANDERSON, P . W . a n d TALMAN, J . D . Pressure Broadening of Spectral Lines at General Pressures, Monograph 3117. ARCHER, 11. J. Optical Constants of Germanium: 3600 A to 7000 A, Monograph 3091. BALLMAN, A. A., see Laudise, R. A.