1. Curvature measures of nonlinearity;Bates,1978
2. Confidence regions in non-linear estimation (with Discussion);Beale;J. R. Statist. Soc. B,1960
3. Design of experiments in nonlinear situations;Box;Biometrika,1959
4. Bias in Nonlinear Estimation (with Discussion);Box;J. R. Statist. Soc. B,1971