References 



Blackman, R. B. , and J. W. Tukey (195 8): The measurement of 

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 Jan. 1958, March 1958. 



Bretschneider, C. L. , H. L. Crutcher, J. Darbyshire, G. Neumann, 

 W. J. Pierson, H. Walden, and B, W. Wilson: Data for high 

 wave conditions observed by the OWS Weather Reporter in 

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Tucker, M.J. (1956): A ship -borne wave recorder. Trans. Inst. 

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Tiikey, J. W. : The sampling theory of power spectrum estimates. 

 Sympos iu m on Ap pl ications of A utocorrelation Analysis to 



Ph ysical Prob lems. Woods Hol e, Massachusetts, 1^_-14 June, 



19'''?9r pp. 47'6T,~1950. 



