Manheim, F. T.; Dwight, L.; Belastock, R. A. (1974): Porosity, density, grain density, and related physical properties of sediments from the Red Sea drill cores. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, Initial Reports of the Deep Sea Drilling Project, 23 (Colombo, Ceylon to Djibouti, F.T.A.I., March-May 1972), 887-907, georefid:1976-013274