The demographical, ecological and socio-economical tensions across state borders of Lithuania - Baubinas, Ričardas; Burneika, Donatas; Daugirdas, Vidmantas (. The @role of borderlands in united Europe ; 1. The @borderlands and integration processes. - Łódź : University of Łódź [u.a.], 2005. - 229 S.. - Ill., graph. Darst., Kt.. - ISBN 83-7126-198-5, 2005)