@ARTICLE{Bereka_O._Ionization_2012, author={Bereka, O. and Usenko, S.}, number={No 1}, journal={ECONTECHMOD}, howpublished={online}, year={2012}, publisher={Polish Academy of Sciences Branch in Lublin}, publisher={Lviv Polytechnic National University}, publisher={Foundry Research Institute in Cracow}, title={Ionization processes in grain weight under strong electric field}, }