Boyce, R. E. (1977): Deep Sea Drilling Project procedures for shear strength measurement of clayey sediment using modified Wykeham Farrance Laboratory vane apparatus. Texas A & M University, Ocean Drilling Program, College Station, TX, United States, Initial Reports of the Deep Sea Drilling Project, 36 (Ushuaia, Argentina to Rio de Janeiro, Brazil, April-May 1974), 1059-1068, georefid:1977-040627