Cryptanalysis of shift-register generated stream cipher systems /Author: Barker, Wayne G.
Publisher: Laguna Hills, Calif. : Aegean Park Press,
Date: c1984. This title can be found in 1 Iowa libraries.
The History of codes and ciphers in the United States during the period between the World Wars /Publisher: Laguna Hills, Calif. : Aegean Park Press,
Date: c1979. This title can be found in 1 Iowa libraries.
The History of codes and ciphers in the United States prior to World War I /Publisher: Laguna Hills, Calif. : Aegean Park Press,
Date: c1978. This title can be found in 2 Iowa libraries.
Medical schools of the world where instruction is given in English /Author: Barker, Wayne G.
Publisher: Laguna Hills, Calif. : Aegean Park Press,
Date: c1976. This title can be found in 1 Iowa libraries.
Cryptanalysis of the single columnar transposition cipher.Author: Barker, Wayne G.
Publisher: [Rutland, Vt.] : [C.E. Tuttle Co.],
Date: [1961] This title can be found in 1 Iowa libraries.
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