1. Picture Bandwidth Compression by Piecewise Fourier transformation;Anderson,1969
2. Anonymous 1970 All-Digital Equalizer Gives Modem 14 400–bps Rate over C-2 Line, Communications Designer's Digest, pp. 35–36.
3. Flicker effect and television compression
4. W.R. Bennett J.R. Davey 1965, Data Transmission (McGraw-Hill).
5. Transmission and Coding of Color Pictures;Bhushan,1970