=LDR 22 4500 =001 6456 =082 04$a711.4 SCO =100 1\$aScott, Allen J. =245 10$aCombinatorial Programming, Spatial Analysis and Planning =260 \\$aLondon :$bMethuen ,$c1971 =650 \0$aBooks =852 \\$bGeography Basement$h711.4 SCO