=LDR 00000nam a2200000ui 4500 =001 3595 =008 250530nuuuu\\\\xx\|||||||||||||||||eng\d =082 04$a526 WIL =100 1\$aWilson, A. G. =245 10$aMathematics for geographers and planners =260 \\$aOxford :$bClarendon Press =700 1\$aKirkby, M. J. =852 \\$bFreeman Library$cBooks$h526 WIL