=LDR 22 4500 =001 765 =082 04$a301.36 4 091722 =100 1\$aPred, Allan =245 10$aCity-systems in advanced economics =260 \\$aLondon :$bHutchinson,$c1977 =650 \0$aBooks =852 \\$bFreeman Library$h301.36 4 091722