effet Shapiro

[1963] Planetary Radar ; J. H. Thomson ; Quarterly Journal of the Royal Astronomical Society 4 (1963) p. 347 [lien]
[1993] An alternative calculation of light bending and time delay by a gravitational field ; W. Bruckman ; E. P. Esteban ; American Journal of Physics 61 (aou 1993) p. 750 [lien]