Yakushev V., Grundas S., Velikanov L., Bałakhnina T.:  X-ray pattern analysis of seeds and other vegetative materials. (2002 r.) International Workshop on Applied Physics in Life Science, held in Prague, Czech Republic, 26.09.2002 r. 2002,

Grundas S., Geodecki M., Velikanov L.:  Zastosowanie metody rentgenograficznej w badaniach materiałów roślinnych. Application of X-ray method in studies of plant materials. (2002 r.) Acta Agrophysica 2002, 63, 39-47 

Grundas S., Geodecki M., Velikanov L.:  Zastosowanie metody rentgenograficznej do materiałów roślinnych. (2000 r.) Dni Nauki Polskiej w Federacji Rosyjskiej, Moskwa-St. Petersburg, 13-18.10.2001 2001, 

Velikanov L., Grundas S., Bałakhnina T.:  The peculiarities of rentgenographic analysing of seed and perspectives of the method. (2000 r.) International Conference "Physical Methods in Agriculture" (Book of abstracts), Prague, Czech Republic, 27-30.08.2001 2001, 246-247 

Grundas S., Velikanov L., Bałakhnina T.:  Importance of wheat grain orientation for the detection of internal mechanical damage by X-ray method. (1999 r.) International Agrophysics 1999, 13, 3, 355-361 

Grundas S., Velikanov L.:  Methodical and technological aspects of X-ray imaging of wheat grain. (1998 r.) ICC Conference '98, 16th International Conference ICC "Cereal Science - its Contribution to Health and Well Being" (Międzynarodowe Stowarzyszenie Nauki i Technologii Zbóż ) , Wiedeń, Austria, 9-12.05.1998 31, 1998