00373nam a2200121Ia 4500008004100000040001700041082002400058100002000082245005500102260002300157300001400180650005700194190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta301.36bV217U  aVan den Berg, L 0aUrban systems in a dynamic societycL Van den Berg  a[s.l]b[s.n]c1985  aii, 158p.  aUrban Policy; City planning; Cities and towns-Growth