@book{ internationaliaea, title={Analytic Criticality Studies Associated With Neutron Diffusion Theory}, series={Review Series}, number={26}, year={}, isbn={92-0-157061-9}, url={http://www.dgdingfa.net/publications/1507/analytic-criticality-studies-associated-with-neutron-diffusion-theory}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} }