Correlated Data references:

<LI>Neter J, Wasserman W, Kutner MH (1990).  Applied Linear Statistical Models 3rd Ed.  (see section 17.6, 21.4-21.6, and Chatper 26)<P>

<LI>Searle SR (1971).  Linear Models.  (see Chapters 9-11)<P>

<LI>Searle SR, Casella G, McvCulloch CD (1992).  Variance Components.<P>

<LI>Longford NT (1993).  Logistic Regression with Random Coefficients.<P>

<LI>Graybell FA (1976).  Theory & Application of the Linear Model.<P>