1. Reran, R. (1978). An efficient and robust adaptive estimator of location. Ann. Statists., 6,292–313.
2. Bickel, P.J., Klaassen, Ch.A.J., Ritov, Y., and Weliner, J.A. (1993). Efficient and Adaptive Estimation for Semiparametric Models. John Hopkins University Press, Baltimore.
3. Edgeworth, F.Y. (1908, 1909). On the probable errors of frequency constants. J. Roy. Statist. Soc., 71, 381–397, 499–512, 651–678; Addendum, 72, 81–90.
4. Hájek, J. (1972). Local asymptotic minimax and admissibility in estimation. Proc. Sixth Berkeley Symp. Math. Statist. Probab.,1,175–194.
5. Kallianpur, G. and Rao, C.R. (1955). On Fisher’s lower bound to asymptotic variance of a consistent estimate. Sankyã,15, 331–342.