Vesic, A. S. (1969), "Breakout Resistance of Objects Embedded in Ocean 

 Bottom," CR 69.031 to the Naval Civil Engineering Laboratory, Durham, 

 North Carolina, May 1969. 



Winterer, Dr. (1967), "Deep Ocean Vibracorer," CR 336 to the Scripps 

 Oceanographic Institute, Ocean Science and Engineering, Inc., Long Beach, 

 California, 1967. 



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