TY - BOOK ID - 138641666 TI - Demographic research and spatial policy : a progress report AU - Willekens, Frans Jozef AU - ter Heide, Henk. AU - NIDI. PY - 1985 PB - Voorburg Netherlands Interuniversity Demographic Institute DB - UniCat KW - Demografie KW - Demography UR - https://www.unicat.be/uniCat?func=search&query=sysid:138641666 AB - ER -