Michael D. Campbell, and Michael A. Wiley, published “Uranium and Nuclear Minerals,” in Unconventional Energy Resources: 2011 Review of the Commodity Committee Activities of the Energy Minerals Division, American Assoc. Petroleum Geologists, in Journal of Natural Resources Research, Vol. 20, No. 4, December, pp. 279-328. (in PDF, Uranium Section, pp. 311-328).