Christensen, N. I. (1973): Compressional and shear wave velocities in basaltic rocks, Deep Sea Drilling Project, Leg 16. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, Initial Reports of the Deep Sea Drilling Project, 16 (San Cristobal, Panama, to Honolulu, Hawaii; Feb.-March 1971), 647-649, georefid:1976-016552