=LDR 22 4500 =001 629 =082 04$a526.022 BEA =100 1\$aBeavon, Keith S. O. =245 10$aCentral place theory: a reinterpretation =260 \\$aLondon :$bLongman,$c1977 =650 \0$aBooks =852 \\$bFreeman Library$h526.022 BEA