DIENER Alexander C. Borders : a very short introduction / Alexander C. Diener and Joshua Hagen. - Vol. 328 - Oxford : Oxford University Press, 2012. - 137 pages : ill. ; 18 cm. - Very short introductions. . Includes bibliographical references and index. ISBN: 9780199731503 (pbk.) : 7.99 GBP Subjects--Topical Terms: BOUNDARIESBORDERLANDSINTERNATIONAL RELATIONS