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Tabla de Contenidos: “…10.5 Security of key encryption systems10.6 Voice systems; 10.7 Miscellaneous terms; 10.8 Useful references; 11 Error control; 11.1 Even and odd parity; 11.2 Hamming codes; 11.3 Interleaved or interlaced codes; 11.4 Polynomial or cyclic codes; 11.5 Recurrent or convolution codes; 11.6 Specific decoding techniques; 11.7 Two-dimensional coding; 11.8 Miscellaneous terms; 11.9 Useful references; 12 Facsimile (Fax) systems; 12.1 Facsimile terminal (description and operation); 12.2 Signal compression techniques; 12.3 Standard groups; 12.4 Universal fax terminal; 12.5 Miscellaneous terms…”