TECHNICAL PAPERS 1013 



Hagstrum, H. D/ 



Reflection of Ions as Ions or as Metastable Atoms at a Metal Surface, 



riiys. Kev., 93, p. ()52, Feb., l\)P)[. Absinicl of paper proseulcd at 

 Gaseous Electronics Conference Oct. 22-24, 1953. 



Heffner, H., see Clogston, A. M. 



Herbert, G. J., see Gohn, G. R. 



Johnson, J. B.,^ and McKay, K. G.^ 



Secondary Electron Emission from Germanium, Phys. Rev., 93, pp. 

 668-672, Feb. 15, 1954. 



IvAHN, A. H., see Tessman, J. R. 



Kenney, Nancy, see Fine, M. E. 



KocK, W. E.' 



Use of the Sound Spectrograph for Appraising the Relative QuaUty 

 of Musical Instruments, Letter to the Editor, Acous. Soc. Am., J., 

 26, pp. 105-lOG, Jan., 1954. 



Kretzmer, E. R.^ 



An Amplitude StabiUzed Transistor Oscillator, Proc. I.R.E., 42, pp. 

 391-401, Feb., 1954. 



Lewis, H. W.' 



Search for the Hall Effect in a Superconductor — Experiment, Phys. 

 Pvev., 92, pp. 1149-1151, Dec. 1, 1953. 



LiNVILL, J. G.^ 



RC Active Filters, Proc. I.R.E., 42, pp. 555-564, March, 1954. 



MacColl, L. A.^ 



Geometrical Properties of Two-Dimensional Wave Motion. Am. 

 .Math. Monthly, 61, pp. 90-103, Feb., 1954. 



'■ Bell Telephone Laboratories. 



