=LDR 00000nam a2200000ui 4500 =001 179 =008 250530s1972\\\\xx\|||||||||||||||||eng\d =082 04$a307.12 MAS =100 1\$aMasser, I. =245 10$aAnalytical models for urban and regional planning =260 \\$aNewton Abbot :$bDavid and Charles,$c1972 =852 \\$bFreeman Library$cBooks$h307.12 MAS