of Wrocław
ISSN 1822-8011 (print) ISSN 1822-8038 (online)
W
MYKOLO ROMERIO UNIVERSITETAS MYKOLAS ROMERIS UNIYERSITY
LIETUVOS MOKSLIJ AKADEMIJA LITHUANIAN ACADEMY OF SCIENCES
VROCLAVO UNIVERSITETAS UNIYERSITY OF WROCŁAW
Mokslo darbu żurnalas
Scientific Research Journal
Vilnius
2009