Laughton, Anthony S.; Berggren, William A.; Benson, Richard N.; Davies, Thomas A.; Franz, Ulrich; Musich, Lillian F.; Perch-Nielsen, Katharina; Ruffman, Alan S.; van Hinte, Jan E.; Whitmarsh, Robert B. (1972): Explanatory notes. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, In: Laughton, Anthony S., Berggren, William A., Benson, Richard N., Franz, Ulrich, Musich, Lillian F., Perch-Nielsen, Katharina, Ruffman, Alan S., van Hinte, Jan E., Whitmarsh, Robert B., Davies, Thomas A. (editor), Initial reports of the Deep Sea Drilling Project covering Leg 12 of the cruises of the drilling vessel Glomar Challenger, Boston, Massachusetts to Lisbon, Portugal, June-August 1970, 12, 9-31, georefid:1983-039541