1. Atiqullah, M., and Cox, D. (1962), “The Use of Control Observations as an Alternative to Incomplete Block Designs,” Biometrika, 49, 464–471.
2. Training series, No QE02001;D. G. Butler,2003
3. Chan, B. (1999), “The Design of Field Experiments When the Data are Spatially Correlated,” PhD thesis, The University of Qld, Brisbane.
4. Chauhan, N. (2000), “Efficient and Optimal Designs for Correlated Observations,” PhD thesis, University of Sheffield, U.K.
5. Cochran, W. G., and Cox, G. M. (1957), Experimental Designs (2nd ed.), New York: Wiley.