TECHNICAL PAPERS 1037 



Geller, S.^ 



Crystallographic Studies of Perovskite-Like Compounds. — IV. Rare 

 Earth Scandates, Vanadites, Galliates, Orthochromites, Acta Crys., 

 10, pp. 243-248, April 10, 1957. 



Geller, S.^ 



Crystallographic Studies of Perovskite-Like Compounds. — V. Rela- 

 tive Ionic Sizes, Acta Crys., 10, pp. 248-251, April 10, 1957. 



Geller, S.,^ and Gilleo, M. A.^ 



Structure and Ferrimagnetism of Ythium and Rare -Earth -Iron Gar- 

 nets, Acta Crys., 10, p. 239, March 10, 1957. 



Gilleo, M. A.^ 



Crystallographic Studies of Perovskite-Like Compounds. III. 

 La(M,, , Mni_x)0 with M = Co, Fe and Cr, Acta Crys., 10, pp. 161-166, 

 March, 1957. 



Gilleo, M. A., see Geller, S. 



Green, E. I.^ 



Nature's Pulses, I.R.E. Student Quarterly, 3, pp. 3-5, Feb., 1957. 



Grossman, A. J.^ 



Synthesis of Tschebycheff Parameter Symmetrical Filters, Proc. 

 I.R.E., 45, pp. 454-473, April, 1957. 



Hagstrum, H. D} 



Thermionic Constants and Sorption Properties of Hafnium, J. Appl. 

 Phys., 28, pp. 323-328, March, 1957. 



Haworth, F. E.^ 



Breakdown Fields of Activated Electrical Contacts, J. Appl. Phys., 

 Letter to the Editor, 28, p. 381, IMarch, 1957. 



Heidenreich, R. D.,^ and Xesbitt, E. A.^ 



Stacking Disorders in Nickel Base Magnetic Alloys, Phys. Rev., 

 Letter to the Editor, 105, pp. 1678-1679, March 1, 1957. 



1 Bell Telephone Laboratories, Inc 



