Filipova, Ivana The visegrad states on the EU's Eastern frontier / Ivana Filipova - Saarbrucken : LAP Lambert Academic Publishing, c2011. - 113p. : ill. ; 23 cm. ISBN: 9783844391855 LCCN: Subjects--Topical Terms: EuropeanUnion countriesEmigration and immigration LC Class. No.: JV7590 / .F55 2011