References
- Pitman , E. J. G. 1937 . “The ‘Closest’ Estimates of Statistical Parameters” . Proceedings of the Cambridge Philosophical Society , 33 : 212 – 222 .
- Pearson , K. 1936 . “Method of Moments and Method of Maximum Likelihood” . Biometrika , 28 : 34 – 59 . Parts I and II