C timescale over the past 30,000 years using mass spectrometric U-Th
ages from Barbados corals. Nature 345, 405-410, 1990.
O record
of climate variability in Galapagos corals, Paleoceanography, 9,
291-315, 1994.
degassing and
Early Cenozoic paleoclimate, GSA Today, 4, 57-65, 1994.