Fuetterer, Dieter K. (1984): Evidence of clionid sponges in sediments of the Walvis Ridge, southeastern Atlantic Site 526, Deep Sea Drilling Project Leg 74. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, In: Moore, Theodore C., Jr., Rabinowitz, Philip D., Boersma, Anne, Borella, Peter E., Chave, Alan D., Duee, Gerard, Fuetterer, Dieter K., Jiang, Ming-Jung, Kleinert, Klaus, Lever, Andrew, Manivit, Helene, O'Connell, Suzanne, Richardson, Stephen H., Shackleton, Nicholas J., Blakeslee, Jan H. (editor), Lee, Mariana (editor), Initial reports of the Deep Sea Drilling Project covering Leg 74 of the cruises of the drilling vessel Glomar Challenger; Cape Town, South Africa, to Walvis Bay, South Africa, June to July, 1980, 74, 557-60, georefid:1984-037784