1. The barite-opal-organic carbon association in oceanic particulate matter;Bishop;Nature,1988
2. Pelagic sediments;Bramlette,1961
3. The mineralogy and geochemistry of nearshore sediments;Calvert,1976
4. Geochemistry and origin of the Holocene sapropel in the Black Sea;Calvert,1990
5. Geochemistry of Namibian Shelf sediments;Calvert,1983