Title of abstract – centered, bold font, 14 pt 
A. First1, B.C. Second2, D. Third3
1 Affiliation, Address, Country
2 Affiliation, Address, Country
3 Affiliation, Address, Country
coresponding.author@email.address 

The abstract should not exceed one page (A4 with all margins 2.5 cm). It should be send by e-mail to plasma.conference2019@uni.opole.pl in the form of a pdf file before the end of March 2019 (i.e. 31 March 2019 is a deadline – we cannot guarantee acceptance of the abstract delivered after this date). 
Title of the abstract should to be centred with bold font size 14 pt.
List of authors should be centred italic, with underlined name of the presenting author.
Text of the abstract  – font size 12 pt, line spacing 1.5 (21 pt); font family: Times (e.g. Times New Roman), you can also use Symbol font (when necessary). Paragraphs of the main text should be justified (aligned both side) with additional spacing after each paragraph 6 pt.  

Fig.1. Caption – font 10 pt 

[1] References ought to have size 10 pt.