=LDR  00000nam a2200000ui 4500
=001  5310
=008  250530s1989\\\\xx\|||||||||||||||||eng\d
=082  04$a711 MAR
=100  1\$aMarshall, John U.
=245  10$aThe structure of urban systems
=260  \\$aToronto :$bUniversity of Toronto Press,$c1989
=852  \\$bFreeman Library$cBooks$h711 MAR