1. A review of neutron detection technology alternative to Helium 3 for safeguards applications;Simpson,2011
2. Dana A. Shea and Daniel Morgan, The Helium-3 Shortage: Supply, Demand, and Options for Congress, 2010.
3. Why new neutron detector materials must replace helium-3
4. National Nuclear Data Center ENDF VII accessed via SIGMA http://www.nndc.bnl.gov/sigma/index.jsp.
5. G.F. Knoll, Radiation Detection and Measurement. (John Wiley and Sons, Inc., Hoboken, NJ, 2000), Third ed.