158 BELL SYSTEM TECHNICAL JOURNAL 



W. Bothe & H. Klarmann: Natnrwiss. 35, 639-640 (1933). 



M. de Broglie & L. Leprince-Ringuet: C. R. 193, 132-133 (1931). 



J. Chadwick, J. E. R. Constable & E. C. Pollard: Proc. Roy. Soc. A130, 463-489 



(1931). 

 J. Chadwick & J. E. R. Constable: Proc. Roy. Soc. A135, 48-68 (1932). 

 K. Diebner & H. Pose: ZS.f. Phys. 75, 753-762 (1932). 

 W. D. Harkins: with R. W. Ryan, J. Am. Chem. Soc. 45, 2095-2107 (1923); 



with H. A. Shadduck, Proc. Nat. Acad. Sci. 2, 707-714 (1926); with A. E. 



Schuh, Phvs. Rev. (2) 35, 809-813 (1930). 



0. Haxel: ZS.f. Phys. 83, 323-337 (1933). 



F. Heidenreich: ZS.f. Phvs. 86, 675-693 (1933). 

 (;. Hoffmann: ZS.f. Phys. 73, 578-579 (1932). 

 C. Pawlowski: C. R. 191, 658-660 (1930). 



E. C. Pollard: Proc. Roy. Soc. A141, 375-385 (1933). 



H. Pose: Phys. ZS. 30,' 780-782 (1929); 31, 943-945 (1930). ZS. f. Phvs. 60, 



156-167 (1930); 64, 1-21 (1930); 67, 194-206 (1931); 72, 528-541 (1931). 



With F. Heidenreich: Natnrwiss. 21, 516-517 (1933). 



E. Steudel: ZS.f. Phys. T7, 139-156 (1932). 



Additional early references given at the end of Transmutation. 



Transmutation with emission of neutrons: 



G. Bernardini: ZS.f. Phys. 85, 555-558 (1933). 

 J. Chadwick: Proc. Roy. Soc. A142, 1-25 (1933). 

 N. Feather: Proc. Roy. Soc. A142, 689-714 (1933). 



F. Joliot & I. Curie: /. de Phys. (7) 4, 278-286 (1933). 



G. Kirsch & W. Slonek: Natnrwiss. 21, 62 (1933). 

 F. Rasetti: ZS.f. Phys. 78, 165-168 (1932). 



Transmutation with emission of positive electrons: 



1. Curie & F. Joliot: /. de Phys. (7) 4, 494-500 (1933). 



Transmutation by Neutrons 



N. Feather: Proc. Roy. Soc. A136, 703-727 (1932); 142, 689-709 (1933). 



W. D. Harkins, D. M. Gans & H. W. Newson: Phys. Rev. (2) 44, 529-537 (1933). 



Letters and abstracts by W. D. Harkins, D. M. Gans, H. W. Newson: Phvs. 



Rev. (2) 43, 208, 362, 584, 1055 (1933); 44, 236, 310, 945 (1933). 

 F. N. D. Kurie: Phys. Rev. (2) 43, 771 (1933). 



