Meyers, Philip A.; Dunham, Keith W.; Rau, Greg H. (1986): Organic geochemical character of opal-rich sediments in light-dark cycles near the Pliocene-Pleistocene boundary in Deep-Sea Drilling Project Site 532, Walvis Ridge. American Geophysical Union, Washington, DC, United States, In: Arthur, Michael A. (editor), Garrison, Robert E. (editor), Special section; Milankovitch cycles through geologic time, 1 (4), 567-575, georefid:1987-037308