=LDR            22        4500
=001  3654
=082  04$a307.120973 ISA
=100  1\$aIsard, Walter
=245  10$aMethods of regional analysis: an introduction to regional science
=260  \\$aHarvard :$bMassachusetts Institute of Technology,$c1960
=650  \0$aBooks
=852  \\$bFreeman Library$h307.120973 ISA