Humphreys, D. Russell, Steven A. Austin, John R. Baumgardner, and Andrew
A. Snelling, 2003. Helium diffusion rates support accelerated nuclear
decay.
http://www.icr.org/pdf/research/Helium_ICC_7-22-03.pdf
Humphreys, D. Russell, Steven A. Austin, John R. Baumgardner and A. A.
Snelling, 2004. Helium diffusion age of 6,000 years supports accelerated
nuclear decay.
Creation Research Society Quarterly 41(1): 1-16.
http://www.creationresearch.org/crsq/articles/41/41_1/Helium.htm