Nierenberg, W. A.; Peterson, M. N. A. (1971): Operations resumes; Leg 1 through Leg 18, August 11, 1968, through July 19, 1971. University of California at San Diego, Scripps Institution of Oceanography, San Diego, CA, United States, Deep Sea Drilling Project Technical Report, 1, 262 pp., georefid:2008-000898