=LDR 22 4500 =001 4101 =082 04$a551.69 SHA =100 1\$aShackleton, N. J. =245 10$aThe past three million years: evolution of climatic variability in the North Atlantic region =260 \\$aLondon :$bRoyal Society,$c1988 =650 \0$aBooks =700 1\$aWest, R. G. =700 1\$aBowen, D. Q. =852 \\$bFreeman Library$h551.69 SHA