=LDR 00000nam a2200000ui 4500 =001 4403 =008 250530s1970\\\\xx\|||||||||||||||||eng\d =082 04$a519.5 LAN =100 1\$aLangley, Russell =245 10$aPractical statistics simply explained =260 \\$bDover Publications,$c1970 =852 \\$bFreeman Library$cBooks$h519.5 LAN$zNot located