796 THE BELL SYSTEM TECHNICAL JOURNAL, MAY 1954: 



manium and of Silicon — The Retrograde Solid Solubilities of Sb 

 in Ge, Cu in Ge, and Cu in Si, J. Phys. Chem., 57, pp. 831-834, Nov., 

 1953. 



Walker, L. R} 



Dispersion Formula for Plasma Waves, Letter to the Editor, J, Appl. 

 Phys., 25, pp. 131-132, Jan., 1954. 



Wolff, P. A.i 



Theory of Plasma Waves in Metals, Phys. Rev., 92, pp. 18-23, Oct. 

 1, 1953. 



Wright, K. A., see W. L. Brown. 

 ^ Bell Telephone Laboratories, Inc. 



