How many are there in a book? http://babma.gov.gh/index.php/stmap_96o01g6.html?levofloxacin.lovegra.levitra.requip provendusmed.de  In the present study, researchers analyzed mud samples to learn about the melting of the ice-sheet in East Antarctica during the Pliocene epoch. They found that the ice-sheets melted during this stable and somewhat cooler period. The samples for the study were obtained at depths of nearly two miles, off the coast of Antarctica.