=LDR            22        4500
=001  5514
=082  04$a307.10285 MAS
=100  1\$aMasser, I.
=245  10$aTheory and practice in regional science
=260  \\$aLondon :$bPion,$c1976
=650  \0$aBooks
=852  \\$bFreeman Library$h307.10285 MAS