1. Feynman variance-to-mean in the context of passive neutron coincidence counting;Croft;Nucl. Instrum. Methods Phys. Res. A,2012
2. K. Böhnel, Determination of Plutonium in Nuclear Fuels using the Neutron Coincidence Method, (PhD Dissertation), University of Karlsruhe (1975) and Published as Kernforchungszentrum, Karlsruhe Report KfK 2203 (1975), Available in English as Atomic Weapons Research Establishment (AWRE), Berkshire, United Kingdom, Translation
3. (70) (54/4252) (March, 1978). ISBN-0-85518121-4.
4. G.E. Hansen, The Rossi alpha method, Los Alamos National Laboratory report LA-UR-85-4176(1985). Also available as CONF-8508105-7, DE86 004725, in: G.A. Whan, K.J. Anderson (Eds.), Proceedings Workshop on Subcritical Reactivity Measurements, Clarion Four Seasons Motor Inn, Albuquerque, New Mexico, August (1985) 26-29, pp. 148–152, CONF-8508105–. DE86 005398.
5. N. Ensslin, W.C. Harker, M.S. Krick, D.G. Langner, M.M. Pickrell, J.E. Stewart, Application Guide to Neutron Multiplicity Counting, Los Alamos National Laboratory report LA-13422-M (Nov. 1998).