technical papers 1391 



Tien, Ping Kjng^ 



Bifilar Helix for Backward Wave Oscillators, Pioc. I.K.E., 42, pp. 

 1137-1143, July, 1954. 



Van Roosbroeck, W.,^ and Shockley, W.^ 



Photo-Radiative Recombination of Electrons and Holes in Ger- 

 manium, Phys. Rev., 94, pp. 1558-1560, June 15, 1954. 



Van Uitert, L. G.,^ Schafer, J. P.,^ and Hogan, C. L.^ 



Low Loss Ferrites for Applications at 4,000 Millicycles per Second, 

 Letter to the Editor, J. Appl. Phys., 25, p. 925, July, 1954. 



Vogel, F. L.,1 Read, W. T.,i and Lovell, L. C.^ 



Recombination of Holes and Electrons at Lineage Boundaries in 

 Germanium, Letter to the Editor, Phys. Rev., 94, pp. 1791-1792, 

 June 15, 1954. 



Walker, A. C.^ 



Hydrothermal Growth of Quartz Crystals, Ind. and Eng. Chem., 48, 

 pp. 1670-1676, Aug., 1954. 



Wolff, P. A.^ 



Theory of Secondary Electron Cascade in Metals, Phys. Rev., 95, 

 pp. 56-66, July 1, 1954. 



Wright, Marie G.,^ and Gremling, R. C.^ 



Xerographic Short Cut, Special Libraries, 45, pp. 250-251, July- 

 August, 1954. 



Yager, W. A., see Fletcher, R. C. 

 ^ Bell Telephone Laboratories, Inc. 



