a . Larry Vardiman et al., Radioisotopes and the Age of the Earth, (El Cajon, California: Institute for Creation Research, 2005).
u Earlier researchers have argued that radioactive decay rates were much faster in the past. See:
v “Lead and Helium Diffusion” on page 43.
v Robert V. Gentry, “On the Invariance of the Decay Constant over Geological Time,” Creation Research Society Quarterly, Vol. 5, September 1968, pp. 83–84.
v Robert V. Gentry, Creation’s Tiny Mystery, 2nd edition (Knoxville, Tennessee: Earth Sciences Associates, 1988), p. 282.
v Paul A. Ramdohr, “New Observations on Radioactive Halos and Radioactive Fracturing,” Oak Ridge National Laboratory Translation (ORNL-tr-755), 26 August 1965, pp. 16–25.