I. I. Goray and L. I. Goray, "Computer system configured in support of solving NP-complete problems at high speed," United State Patent No. 6,636,840 B1, International Intellectual Group, Inc., Oct. 21, 2003.

L. I. Goray, J. F. Seely, and S. Yu. Sadov, "Spectral separation of the efficiencies of the inside and outside orders of soft-x-ray-extreme-ultraviolet gratings at near normal incidence," J. Appl. Phys., vol. 100, No. 9, 2006, pp. 094901-1-13.

L. I. Goray, I. G. Kuznetsov, S. Yu. Sadov, and D. A. Content, "Multilayer resonant subwavelength gratings: effects of waveguide modes and real groove profiles," J. Opt. Soc. Am A, vol. 23, No. 1, 2006, pp. 155-165.

L. I. Goray, "Numerical analysis of the efficiency of multilayer-coated gratings using integral method," Nuclear Inst. and Methods in Physics Research A, vol. 536, No. 1-2, 2005, pp. 211-221.

L. I. Goray and S. Yu. Sadov, "Numerical modelling of coated gratings in sensitive cases," in Trends in Optics and Photonics Series (TOPS 2002), OSA Diffractive Optics & Micro-Optics, vol. 75, 2002, pp. 365-379.

L. I. Goray and J. F. Seely, "Efficiencies of master, replica, and multilayer gratings for the soft x-ray - EUV range: modeling based on the modified integral method and comparisons to measurements," Appl. Opt., vol. 41, No. 7, 2002, pp. 1434-1445.

L. I. Goray, "Modified integral method for weak convergence problems of light scattering on relief grating," in Diffractive and Holographic Technologies for Integrated Photonic Systems, R.I. Sutherland, D.W. Prather, and I. Cindrich, eds., SPIE Proc., vol. 4291, 2001, pp.1-12.

J. F. Seely, G. E. Holland, J. C. Bremer, T. J. Zukowski, M. Feser, Y. Feng, B. Kjornrattanawancih, and L. I. Goray, "Measurement of Zone Plate Efficiencies in the Extreme Ultraviolet and Applications to Radiation Monitors for Absolute Spectral Emission," in Advances in X-Ray/EUV Optics, Components, and Applications, A. M. Khounsary and C. Morawe, eds., SPIE Proc., vol. 6317, 2006., pp. 0N-1-8.

J. F. Seely, L. I. Goray, B. Kjornrattanawanich, J. M. Laming, G. E. Holland, K. A. Flanagan, R. K. Heilmann, C.-H. Chang, M. L. Schattenburg, and A. P. Rasmussen, "Efficiency of a grazing incidence off-plane grating in the soft x-ray region," Appl. Opt., vol. 45, No. 8, 2006, pp. 1680-1687.

M. P. Kowalski, R. K. Heilmann, M. L. Schattenburg, C.-H. Chang, F. B. Berendse, and W. R. Hunter, "Near-normal-incidence extreme-ultraviolet efficiency of a flat crystalline anisotropically etched blazed grating," Appl. Opt., vol. 45, No. 8, 2006, pp. 1676-1679.