=LDR 22 4500 =001 1536 =082 04$a910.21 BUR =100 1\$aBurt, James E. =245 10$aElementary statistics for geographers =260 \\$aNew York :$bGuilford Press,$c1996 =650 \0$aReserve =700 1\$aBarber, Gerald M. =852 \\$bFreeman Library$h910.21 BUR