1. Schreiber, W.F., Huang, T.S., and Tretiak, O.J.: ‘Contour coding of images’, Huang, T.S., Tretiak, O.J., Picture bandwidth compression, (Gordon and Beach, New York 1972)
2. Huang, T.S.: ‘Run length coding and its extensions’, Huang, T.S., Tretiak, O.J., Picture bandwidth compression, (Gordon and Beach, New York 1972)