Interregional migration : dynamic theory and comparative analysis / W. Weidlich, G. Haag, eds ; with contributions by A.E. Andersson ... [et al.]. - Berlin ; Springer-Verlag, 1988. - xiv, 387 p. : 0 ISBN: 0387184414 (U.S.) Subjects--Topical Terms: Migration, Internal-Mathematical models.------ Dewey Class. No.: 304.8015118 / In