Mueller, Carla; Spiegler, D.; Pastouret, Leo (1985): The genus Bolboforma Daniels and Spiegler in the Oligocene and Miocene sediments of the North Atlantic and northern Europe. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, In: de Graciansky, Pierre Charles, Poag, C. Wylie, Cunningham, Paul, Jr., Loubere, Paul, Masson, Douglas G., Mazzullo, James M., Montadert, Lucien, Mueller Carla, Otsuka, Kenichi, Reynolds, Leslie A., Sigal, Jacques, Snyder, Scott W., Townsend, Hilary A., Vaos, Staphanos P., Waples, Douglas, Bailey, Marian G. (editor), Initial reports of the Deep Sea Drilling Project covering Leg 80 of the cruises of the drilling vessel Glomar Challenger, Brest, France, to Southampton, United Kingdom, June-July, 1981, 80, Part 1, 669-675, georefid:1985-056349