Tham khảo Hằng_số_hấp_dẫn

  1. ↑ Gundlach, Jens H.; Merkowitz, Stephen M. (23 tháng 12 năm 2002). “University of Washington Big G Measurement”. Astrophysics Science Division. Goddard Space Flight Center. Since Cavendish first measured Newton's Gravitational constant 200 years ago, "Big G" remains one of the most elusive constants in physics. 
  2. ↑ Fundamentals of Physics 8ed, Halliday/Resnick/Walker, ISBN 978-0-470-04618-0 p336
  3. ↑ George T. Gillies (1997), “The Newtonian gravitational constant: recent measurements and related studies”, Reports on Progress in Physics 60 (2): 151–225, Bibcode:1997RPPh...60..151G, doi:10.1088/0034-4885/60/2/001 . A lengthy, detailed review. See Figure 1 and Table 2 in particular.
  4. ↑ Mohr, Peter J.; Newell, David B.; Taylor, Barry N. (2015-07-21). "CODATA Recommended Values of the Fundamental Physical Constants: 2014". arΧiv:1507.07956 [physics.atom-ph].