1. Pillmeier, M. R. (2002), Barrel shifter design, optimization, and analysis, in ‘Lehigh University’, Citeseer.
2. Thornton, J. E. (1970), Design of a computer–the control data 6600, Scott Foresman & Co.
3. Palmer, J. F., Ravenel, B. W. and Nave, R. (1982), ‘Numeric data processor’. US Patent 4,338,675.
4. Lim, R. S. (1972), ‘A barrel switch design’, Computer Design 11(8), 76–78.
5. Neto, H. C. and Vestias, M. P. (2008), Architectural tradeoffs in the design of barrel shifters for reconfigurable computing, in ‘2008 4th Southern Conference on Programmable Logic’, IEEE, pp. 31–36.