=LDR 00000nam a2200000ui 4500 =001 5258 =008 250530s1973\\\\xx\|||||||||||||||||eng\d =082 04$a519.5022 DIC =100 1\$aDickinson, Gordon Cawood =245 10$aStatistical mapping and the presentation of statistics =260 \\$aLondon :$bEdward Arnold,$c1973 =852 \\$bFreeman Library$cBooks$h519.5022 DIC