TY - BOOK AU - Wenig Alois Ed. AU - Zimmermann Klaus F. Ed. TI - Demongraphic change and economic development T2 - Studies in Comtemporary Economics SN - 3540511407 U1 - X:770gY:5, M9 PY - 1989/// CY - Berlin PB - Springer-Verlag KW - Economic Development ER -