• P.C. Keenan
      ,
    • R.G. Teske
      • Astrophys.J. 124 (1956) 499
  • Fowler, Hornyak, and Cohen (unpublished,)
  • Isotopic Tracers and Nuclear Radiations Book Company, New York,), p. 11
    • W.E. Siri
  • Nakagawa, Ohmura, Takebe, and Obi
      • Prog.Theor.Phys. 16 (1956) 389
  • Mem. soc. roy. sci. Liège 14, 402
    • W.P. Bidelman
    • T.D. Kinman
      • Mon.Not.Roy.Astron.Soc. 116 (1956) 77
  • Kgl. Danske Videnskab. Selskab, Mat.-fys. Medd. 30, No. 20
    • O. Kofoed-Hansen
      ,
    • A. Winther
  • Patterson, Brown, Tilton, and Inghram
      • Phys.Rev. 92 (1953) 1234
    • W.P. Bidelman
      • Astrophys.J. 111 (1950) 333
  • Modern Physics for Engineers, L. Ridenour (eds.) Book Company, Inc., New York,), p. 267
    • J.L. Greenstein
  • Dominion Astrophys. Observatory, Victoria, B. C 7, 395
    • A. McKellar Publs
    • E.J. Stanley
      ,
    • R. Price
      • Nature 177 (1956) 1221
    • R.G. Thomas
      • Phys.Rev. 88 (1952) 1109
  • Neutron cross sections

    • D.J. Hughes
      ,
    • J.A. Harvey
    • P.C. Keenan
      • Astrophys.J. 96 (1942) 101
    • L. Spitzer
      ,
    • G.B. Field
      • Astrophys.J. 121 (1955) 300
  • Yale Parallax Catalogue (Yale University Observatory,), third edition
    • D.E. Osterbrock
      • Publ.Astron.Soc.Pac. 69 (1957) 227
  • Jr., and V. B. Bhanot
    • W.H. Johnson
      • Phys.Rev. 107 (1957) 1669
  • British Association Mathematical Tables, Vol. X
      • W.P. Bidelman
        • Astrophys.J. 116 (1952) 227
    • Lagar, Lyon, and Macklin, Bull. Am. Phys. Soc. Ser. II, 2, 15 private communication