. . . . "Conference papers and proceedings"@en . . . . . . . . . . . . . . . . . . "Siliceous microfossil and microplankton of the Monterey formation and modern analogs"@en . . "Siliceous microfossil and microplankton studies of the Monterey formation and modern analogs"@en . . . "From 10 to 25 million years ago" . . . .