In-depth studies on migration in central and eastern Europe : the case of Poland / edited by Tomas Frejka; Mark Okolski;Keith Sowrd United Nations Economic commission for Europe. United Nations Population Fund Frejka, Tomas jt ed Okolski, Mark jt ed Sowrd, Keith jt ed International migration 325 UNI Glossary: p. 217-219 Bibliography: p. 221-229 Includes bibliographical references New York : Unite Nations, 1998. 1998. 1998 Text xxi, 229 p. : eng Economic studies ; no.11