Suess, E., W. Balzer, K. - F. Hesse, P. J. Muller, C. A. Ungerer, and G. Wefer. "Calcium Carbonate Hexahydrate from Organic-Rich Sediments of the Antarctic Shelf: Precursors of Glendonites." Science 216, no. 4550 (1982): 1128-1131.