1. Schrack, R.A., Behrens, J.W., Johnson, R., Bowman, C.D., “Resonance neutron radiography using an electron linac,” IEEE Trans, on Nucl. Sci. NS-28 2 (1981) 1640.
2. Behrens, J.W., Schrack, R.A., Bowman, C.D., “Non-destructive examination of a defective silver braze using resonance neutron radiography,” Nucl. Tech. 511 (1980) 78.
3. Kopp, M.K., Behrens, J.W., Meacham, M.A., Williams, J.A., Development of proportional counter cameras for neutron imaging with 1-mm resolution, NBSIR-81–2362.
4. Yin, L.I., Trombka, J.I., Seltzer, S.M., “A small rugged imaging x-ray spectrometer: a Lixiscope with good energy resolution,” Nucl. Inst. & Meth. 172 (1980) 471.
5. Wiza, J.L., Henkel, P.R., Roy, R.L., “Improved microchannel plate performance with a resistive anode encoder,” Rev. Sci. Inst. 48 9 (1977) 1217.