1. A. FABRY, J. C. SCHEPERS, and P. VANDEPLAS, “Status of the Work About the Generation of Intermediate Standard Neutron Spectra at MOL,” EACRP-A-97, European-American Committee on Reactor Physics (1969).
2. A. FABRY, M. De COSTER, G. De LEEUW-GIERTS, and S. De LEEUW, “The Intermediate-Energy Standard Neutron Spectrum Facility ΣΣ,” EACRP-A-138, European-American Committee on Reactor Physics (1971).
3. I. GIRLEA, Institut de Technologie Nucleaire, Bucharest, Private Communication <1972).