Authors of Abstracts must be written by following scheme:
Ilze Kurse1, Saiva Kalna2, Kārlis Kalniņš3
1Daugavpils University, Parādes street 1, Daugavpils, email@example.com
2Tartu University, Salu street 7, Tartu, Estonia, firstname.lastname@example.org
3Šiauliai University, Vilnius street 152, Lithuania, email@example.com
If abstract written by several authors, please write accurately the order of the authors.