1. R.M. Brugger et al., in:“ Neutron Beam Design, Development and Performance for Neutron Capture Therapy,” O.K. Harling et al., ed., Plenum, New York (1990).
2. H.B. Liu, private communication.
3. G.K. Becker et al., in:“Neutron Beam Design,” Harling et al., ed.
4. R.G. Fairchild et al., ibid.
5. ICRP 60, “1990 Recommendation of the International Commission on Radiation Protection,” Pergamon, New York (1991).