=LDR 22 4500 =001 799 =082 04$a930.10285 HUG =100 1\$aHughes, M. K. =245 10$aClimate from tree rings =260 \\$aLondon :$bCambridge University Press,$c1982 =650 \0$aBooks =852 \\$bFreeman Library$h930.10285 HUG