References
- Montgomery , D.C. ( 1991 ) Design and Analysis of Experiments , 3rd edn. , John Wiley and Sons , New York , NY .
- Box , GEP , Hunter , W G. , Hunter , J.S. , ( 1978 ) Statistics for Experimenters , John Wiley and Sons , New York , NY .
- Fngon , Mathews , Practical Guide to Experimental Design .