==Publications==*Porubčan, V., Tóth, J., Yano, H.: "On fragmentation of meteoroids in interplanetary space", Contrib.
* Петер Кушнирак* Улрика Бабьякова* Porubčan, V., Ю. Тотг, Yano, H.: "On fragmentation of meteoroids in interplanetary space", Contrib.