50. Johnson, L. E. ''Application of Waterjet Hydraulics to an Underwater 

 Excavation System,'' World Dredging Conference, 5th Proceedings, Hamburg, 

 Germany, Jun 11-15, 1973, pp 685-698. 



51. Kawasaki, H. , et al. ''Two Underwater Bulldozer Systems,'' Ocean 

 Industry, Aug 1972, pp 34-35. 



52. Kelly, M. J., and Sir Gordon Rudley. ''Transatlantic Communications, 

 An Historical Resume,'' The Bell System Technical Journal, vol 36, no. 1, 

 Jan 1957. 



53. Kernnitz , L. A., G. P. Buck and L. F. Brisk. ''Vibrating Plows for 

 Direct Burial of Cables, Wires, and Tubing.'' 



54. Kloppenstein, D. ''Salvage Vessel Over Comes Pipeline Sand Problems,'' 

 Ocean Industry, Apr 1974, pp 230-237. 



55. Kunnan, F. ''Specialized Plowing and Heavy Duty Plowing Equipment," 

 lEE Conference Record - Supplement, Special Technical Conference on 

 Underground Distribution, Anaheim, CA, May 12-16, 1969, pp 238-240. 



56. LaCerda, J. ''New Day Dawns for Submersibles, ' ' Ocean Industry, 

 May 1974, pp 25-28. 



57. Laird, S. W. ''Power and Telephone Cables and Plowed-In Simulta- 

 neously,'' Transmission and Distribution, Nov 1967, pp 72-73. 



58. Maclay, J. C. ''Evolution of Cable Laying Plows,'' Bell Laboratories 

 Record, vol 40, Nov 1962. 



59. Moody, L. F. ''Friction Factors for Pipe Flow," ASME Transactions, 

 vol 66, no. 11, Nov 1944, pp 671-678. 



60. Mori, K. ''Ocean Survey Techniques for Submarine Cable,'' Japan 

 Telecommunications Review, Oct 1973, pp 275-279. 



61. Morrison, J. ''Model Tests in Netherlands Indicate Optimum Conditions 

 for Trenching,'' Oil and Gas Journal, vol 68, no. 18, May 4, 1970, pp 

 146-148. 



62. Morrison, J. ''Sub Sea Oil Completes Trials on New Submarine Work 

 Vessel," Offshore, Mar 1972. 



63. Munitz, A. J. ''Analyzing Failures of Ocean Communications Cable,'' 

 Undersea Technology, May 1966, pp 45, 47-49. 



64. Nikolaev, A. D. ''Study of Underwater Working of Soil by Cutting,'' 

 (Trans.) Trudy (NIIMESKH) Minsk, vol 1, 1963, pp 295-309. 



65. O'Donnell, J. P. ''Trenching, Pipe Laying Done Together,'' Oil and 

 Gas Journal, vol 59, no. 38, 18 Sep 1961. 



66. Personal Communication w/Al Sutherland, FPO-1 , 5 Aug 1974. 



67. Personal Communication w/B. M. Buck, Polar Research Laboratory, 

 Santa Barbara, CA (CAT). 



52 



