References
- Draper , N. R. and Smith , H. 1981 . Applied Regression Analysis, , 2nd ed. , New York : John Wiley .
- McCullagh , P. and Nelder , J. A. 1983 . Generalized Linear Models , London : Chapman & Hall .
- Neter , J. , Wasserman , W. and Kutner , M. 1984 . Applied Linear Regression Models , Homewood , IL : Richard D. Irwin .