61. Phase functions of pre-fractal particles in geometrical optics approximation / D. Petrov, Yu. Shkuratov, G. Videen // Conference on electromagnetic and light scattering by nonspherical particles: Theory, measurements and applications, 7th: Proceed.,held Bremen, Germany, Sept. 8 -12, 2003/ Ed. T. Wriedt.- Bremen, Germany, 2003. – P. 293 - 296.

62. Photometry of regolith-like surfaces: albedo and surface roughness effects / D.V. Petrov, Yu. G. Shkuratov // International Microsymposium on comparative planetology, 38-th: Abstract.- Moscow, 2003.- MS076.- (CD-ROM).

63. Areas of lunar cold traps permanently shaded once and twice / D. V. Petrov, Yu. G. Shkuratov, D. G. Stankevich // Lunar and Planetary Science Conference, 33–th: Abstract. – LPI Houston, 2002.- Vol. 1232.- (CD-ROM).

64. Estimation of permanently shaded area of the lunar surface / D. V. Petrov, Yu. G. Shkuratov, D. G. Stankevich // Meteoritics and Planetary Sci. Suppl. – 2002. – Vol. 37, № 7. – P. A 117.

65. How dark are shadowed areas of lunar craters: estimates with Clementine UVVIS data / D. V. Petrov, Yu. G. Shkuratov, D. G. Stankevich // International Microsymposium on comparative planetology, 36-th: Abstract.- Moscow, 2002.- MS080.- (CD-ROM).

66. Estimates of lunar surface areas permanently shaded once and twice / D. V. Petrov, Yu. G. Shkuratov, D. G. Stankevich // International Microsymposium on comparative planetology, 34-th: Abstract. –Moscow, 2001.- MS056.- (CD-ROM).