Park, S. H., Litvinenko, V. N., Burnham, B., Wu, Y., Madey, J. M. J., Canon, R. S., … Pinayev, I. V. (1998). OK-4/Duke monochromatic gamma-ray source: performance and prediction. Nuclear Instruments \& Methods In Physics Research Section A-Accelerators Spectrometers Detectors And Associated Equipment, 407(1–3), 224–228.

Park, S. H., V. N. Litvinenko, B. Burnham, Y. Wu, J. M. J. Madey, R. S. Canon, C. R. Howell, et al. “OK-4/Duke monochromatic gamma-ray source: performance and prediction.” Nuclear Instruments \& Methods In Physics Research Section A-Accelerators Spectrometers Detectors And Associated Equipment 407, no. 1–3 (April 1998): 224–28.

Park SH, Litvinenko VN, Burnham B, Wu Y, Madey JMJ, Canon RS, et al. OK-4/Duke monochromatic gamma-ray source: performance and prediction. Nuclear Instruments \& Methods In Physics Research Section A-accelerators Spectrometers Detectors And Associated Equipment. 1998 Apr;407(1–3):224–8.

Park, S. H., et al. “OK-4/Duke monochromatic gamma-ray source: performance and prediction.” Nuclear Instruments \& Methods In Physics Research Section A-Accelerators Spectrometers Detectors And Associated Equipment, vol. 407, no. 1–3, Apr. 1998, pp. 224–28.

Park SH, Litvinenko VN, Burnham B, Wu Y, Madey JMJ, Canon RS, Howell CR, Roberson NR, Schreiber EC, Spraker M, Tornow W, Weller HR, Pinayev IV. OK-4/Duke monochromatic gamma-ray source: performance and prediction. Nuclear Instruments \& Methods In Physics Research Section A-accelerators Spectrometers Detectors And Associated Equipment. 1998 Apr;407(1–3):224–228.